PART A PHYSICS 1. In terms of resistance R and time T, the 1. m of the permeability e m and permittivity e is : dimensions of ratio 2. Öæ» A ÖæñçÌ·¤ çßææÙ ÂýçÌÚUæðÏ R ¥æñÚU â×Ø T ·ð¤ ÂÎæð´ ×ð´, ¿éÕ·¤àæèÜÌæ °ß´ çßléÌàæèÜÌæ e ·ð¤ ¥ÙéÂæÌ (1) [RT22] (1) [RT22] (2) [R2 T21] (2) [R2 T21] (3) [R2] (3) [R2] (4) [R2 T2] (4) [R2 T2] The initial speed of a bullet fired from a 2. rifle is 630 m/s. The rifle is fired at the centre of a target 700 m away at the same level as the target. How far above the centre of the target the rifle must be aimed m e m ·¤è çß×æ ãñ Ñ °·¤ ÚUæ§È¤Ü âð Îæ»è »§ü ÕéÜðÅU ·¤è ÂýæÚUçÖ·¤ ¿æÜ 630 m/s ãñÐ ÜÿØ ·ð¤ SÌÚU ÂÚU ÜÿØ âð 700 m ÎêÚU ÜÿØ ·ð¤ ·ð¤Îý ÂÚU ÚUæ§È¤Ü Îæ»è ÁæÌè ãñÐ ÜÿØ ·¤æð Îæ»Ùð ·ð¤ çÜØð ÚUæ§È¤Ü ·¤æ çÙàææÙæ ÜÿØ ·ð¤ ·ð¤Îý âð ç·¤ÌÙæ ª¤ÂÚU Ü»æÙæ ¿æçã°? in order to hit the target ? (1) 1.0 m (1) 1.0 m (2) 4.2 m (2) 4.2 m (3) 6.1 m (3) 6.1 m (4) 9.8 m (4) 9.8 m English : 1 Set : 11 Hindi : 1 Set : 11 3. A body of mass 5 kg under the action of 3. ∧ ∧ r constant force F5Fx i 1 Fy j has velocity at t50s as ( ) ∧ ∧ r v 5 6 i 22 j m/s and at ∧ r r t510 s as v516 j m/s. The force F is : çSÍÚU ÕÜ ∧ ∧ r F5Fx i 1 Fy j ·¤è °·¤ ßSÌé 5 kg ) ( ∧ ∧ r v 5 6 i 22 j m/s âð ÂÚU ßð» ∧ r v516 j m/s âð t50s (1) (23 i 14 j ) N (2) 3 ∧ 4 ∧ i1 j N 2 5 5 (2) (3) (3 i 2 4 j ) N 3 ∧ 4 ∧ i1 j N 2 5 5 (3) (3 i 2 4 j ) N (4) 3∧ 4 ∧ i 2 j N 5 5 (4) 3∧ 4 ∧ i 2 j N 5 5 ∧ English : 2 ∧ Set : 11 ∧ ∧ Hindi : 2 t510 s »çÌàæèÜ ãñÐ ÕÜ (23 i 14 j ) N ∧ ÂÚU ßð » »çÌàæèÜ ãñ ¥æñÚU (1) ∧ ·ð¤ ·¤æÚUæ ÎýÃØ×æÙ r F ãñ : ∧ ∧ Set : 11 4. A small ball of mass m starts at a point A 4. with speed v o and moves along a frictionless track AB as shown. The track BC has coefficient of friction m. The ball comes to stop at C after travelling a ÎýÃØ×æÙ m ·¤è °·¤ ÀUæðÅUè »ð´Î çÕÎé A âð ¿æÜ vo âð ÂýæÚUÖ ·¤ÚUÌè ãñ ¥æñÚU °·¤ æáüæãèÙ ÂÍ AB ÂÚU »çÌàæèÜ ãñ Áñâæ ç·¤ ç¿æ ×ð´ ÎàææüØæ »Øæ ãñÐ ÂÍ BC ·¤æ æáüæ »éææ¡·¤ m ãñÐ »ð´Î C ÂÚU ÎêÚUè L ¿ÜÙð ·ð¤ Âà¿æÌ÷ L¤·¤ ÁæÌè ãñ Áãæ¡ L ãñ : distance L which is : (1) (2) (3) (4) v2 2h 1 o 2m g m (1) v2 2h 1 o m 2m g v2 h 1 o m 2m g (2) v2 h 1 o m 2m g v2 h 1 o mg 2m (3) v2 h 1 o 2m mg v2 h 1 o 2m 2m g (4) v2 h 1 o 2m 2m g English : 3 Set : 11 Hindi : 3 Set : 11 5. of the surface at a place which receives 100 ßáæü ·¤è Õê´Îæð´ ·¤æ ¥æñâÌ ÎýÃØ×æÙ 3.031025 kg ãñ ¥æñÚU ©Ù·¤æ ¥æñâÌ âè×æÌ ßð» 9 m/s ãñÐ çÁâ SÍæÙ ÂÚU °·¤ ßáü ×ð´ 100 cm ßáæü ãæðÌè ãñ ©â SÍæÙ ·ð¤ ÂýçÌ ß»ü ×èÅUÚU ÂëcÆU ÂÚU ßáæü mæÚUæ SÍæÙæÌçÚUÌ ª¤Áæü ·¤è »æÙæ ·¤èçÁ°Ð cm of rain in a year. (1) 3.53105 J (1) 3.53105 J (2) 4.053104 J (2) 4.053104 J (3) 3.03105 J (3) 3.03105 J (4) 9.03104 J (4) 9.03104 J The average mass of rain drops is 5. 3.031025 kg and their average terminal velocity is 9 m/s. Calculate the energy transferred by rain to each square metre 6. is M and its mass per unit length at the ÜÕæ§ü L ·¤è °·¤ ÂÌÜè ÀUǸ ·¤æ ÂýçÌ §·¤æ§ü ÜÕæ§ü ÎýÃØ×æÙ l ãñ Áæð ç·¤ °·¤ çâÚðU âð ÎêÚUè ·ð¤ ¥ÙéâæÚU ÚñUç¹·¤ÌÑ ÕɸÌæ ãñÐ ØçÎ §â·¤æ ·é¤Ü ÎýÃØ×æÙ M ãñ ¥æñÚU ãË·ð¤ çâÚðU ÂÚU ÂýçÌ §·¤æ§ü ÜÕæ§ü ÎýÃØ×æÙ lo ãñ, ÌÕ ãË·ð¤ çâÚðU âð ÎýÃØ×æÙ ·ð¤Îý ·¤è ÎêÚUè ãñ Ñ lighter end is lo, then the distance of the centre of mass from the lighter end is : (1) l L2 L 2 o 2 4M 6. A thin bar of length L has a mass per unit length l, that increases linearly with distance from one end. If its total mass (1) L l L2 2 o 2 4M (2) l L2 L 1 o 3 8M (2) l L2 L 1 o 3 8M (3) l L2 L 1 o 3 4M (3) l L2 L 1 o 3 4M (4) l L2 2L 2 o 3 6M (4) l L2 2L 2 o 3 6M English : 4 Set : 11 Hindi : 4 Set : 11 7. From a sphere of mass M and radius R, a 7. çæØæ smaller sphere of radius R 2 is carved out such that the cavity made in the original çæØæ R 2 ·¤æ °·¤ ÀUæðÅUæ »æðÜæ §â Âý·¤æÚU çÙ·¤æÜ çÜØæ ÁæÌæ ãñ ç·¤ ×êÜ »æðÜð ×ð´ ÕÙè »éãæ §â·ð¤ ·ð¤Îý °ß´ ÂçÚUçÏ ·ð¤ Õè¿ ãñ (ç¿æ Îð¹ð´)Ð ç¿æ ·ð¤ çßØæ⠷𤠥ÙéâæÚU ÁÕ ×êÜ »æðÜð ·ð¤ ·ð¤Îý ¥æñÚU ãÅUæØð »Øð »æðÜð ·ð¤ ·ð¤Îý ·ð¤ Õè¿ ÎêÚUè 3R ãñ, ÌÕ ÎæðÙæð »æðÜæð´ ·ð¤ Õè¿ »éL¤ßæ·¤áüæ ÕÜ ãñ Ñ sphere is between its centre and the periphery. (See figure). For the configuration in the figure where the distance between the centre of the original R °ß´ Îý à Ø×æÙ M ·ð ¤ °·¤ »æð Ü ð âð , sphere and the removed sphere is 3R, the gravitational force between the two spheres is : (1) (1) (2) (3) (4) 41 GM 2 (2) 3600 R 2 41 GM 2 (3) 450 R 2 59 GM 2 450 R (4) 2 41 GM 2 3600 R 2 41 GM 2 450 R 2 59 GM 2 450 R 2 GM 2 225 R 2 GM 2 225 R 2 English : 5 Set : 11 Hindi : 5 Set : 11 8. The Bulk moduli of Ethanol, Mercury and 8. water are given as 0.9, 25 and 2.2 respectively in units of 109 Nm22. For a given value of pressure, the fractional 9 . Which of compression in volume is V the following statements about 9 for V °ÍÙæòÜ, ÂæÚUæ °ß´ ÂæÙè ·ð¤ ¥æØÌÙ ÂýØæSÍÌæ »éææ¡·¤ 109 Nm22 ·¤è §·¤æ§ü ×ð´ ·ý¤×àæÑ 0.9, 25 °ß´ 2.2 çÎØð ãéØð ãñ´Ð ÎæÕ ·ð¤ çÎØð ×æÙ ·ð¤ çÜ°, ¥æØÌÙ ×ð´ çÖÙæ×·¤ â´ÂèǸ٠9 V 9 V ãñÐ §Ù ÌèÙ Îýßæð´ ·ð¤ çÜ° ·ð¤ ÕæÚðU ×ð´ çÙÙçÜç¹Ì ·¤ÍÙæð´ ×ð´ âð ·¤æñÙ âæ âãè ãñ? these three liquids is correct ? 9. (1) Ethanol > Water > Mercury (1) (2) Water > Ethanol > Mercury (2) (3) Mercury > Ethanol > Water (3) (4) Ethanol > Mercury > Water (4) A tank with a small hole at the bottom has 9. been filled with water and kerosene (specific gravity 0.8). The height of water is 3 m and that of kerosene 2 m. When the hole is opened the velocity of fluid coming out from it is nearly : (take g510 ms22 and density of water 5103 kg m23) °ÍÙæòÜ > ÂæÙè > ÂæÚUæ ÂæÙè > °ÍÙæòÜ > ÂæÚUæ ÂæÚUæ > °ÍÙæòÜ > ÂæÙè °ÍÙæòÜ > ÂæÚUæ > ÂæÙè ÌÜè ×ð´ °·¤ ÀUæðÅðU çÀUÎý ßæÜð Åñ´U·¤ ·¤æð ÂæÙè °ß´ ç×^è ·ð¤ ÌðÜ (¥æÂðçÿæÌ æÙß 0.8) âð ÖÚUæ »Øæ ãñÐ ÂæÙè ·¤è ª¡¤¿æ§ü 3 m ãñ ¥æñÚU ç×^è ·ð¤ ÌðÜ ·¤è 2 mÐ ÁÕ çÀUÎý ·¤æð ¹æðÜ çÎØæ ÁæÌæ ãñ, ÌÕ çÙ·¤ÜÙð ßæÜð Îýß ·¤è ¿æÜ Ü»Ö» ãæð » è : (g510 ms 22 Üð ¥æñ Ú U ÂæÙè ·¤æ æÙß 5103 kg m23) (1) 10.7 ms21 (1) 10.7 ms21 (2) 9.6 ms21 (2) 9.6 ms21 (3) 8.5 ms21 (3) 8.5 ms21 (4) 7.6 ms21 (4) 7.6 ms21 English : 6 Set : 11 Hindi : 6 Set : 11 10. An air bubble of radius 0.1 cm is in a liquid 10. having surface tension 0.06 N/m and density 103 kg/m3. The pressure inside the bubble is 1100 Nm22 greater than the atmospheric pressure. At what depth is ÂëcÆU ÌÙæß 0.06 N/m ¥æñÚU æÙß 103 kg/m3 ßæÜð °·¤ Îýß ×ð´ çæØæ 0.1 cm ·¤æ °·¤ ßæØé ·¤æ ÕéÜÕéÜæ ãñÐ ÕéÜÕéÜð ·ð¤ ¥ÎÚU ÎæÕ ßæØé×´ÇUÜèØ ÎæÕ âð 1100 Nm22 ¥çÏ·¤ ãñÐ Îýß ·ð¤ ÂëcÆU âð 緤⠻ãÚUæ§ü ÂÚU ÕéÜÕéÜæ ãñ? (g59.8 ms22) the bubble below the surface of the liquid ? (g59.8 ms22) 11. (1) 0.1 m (1) 0.1 m (2) 0.15 m (2) 0.15 m (3) 0.20 m (3) 0.20 m (4) 0.25 m (4) 0.25 m A hot body, obeying Newtons law of 11. cooling is cooling down from its peak value 808C to an ambient temperature of 308C. It takes 5 minutes in cooling down from 808C to 408C. How much time will it take to cool down from 628C to 328C ? (Given ln 250.693, ln 551.609) (1) 3.75 minutes (2) 8.6 minutes (3) 9.6 minutes (4) 6.5 minutes English : 7 Set : 11 ØêÅUÙ ·ð¤ àæèÌÜÙ çÙØ× ·¤æ ÂæÜÙ ·¤ÚUÌè ãé§ü °·¤ »×ü ßSÌé ¥ÂÙð àæèáü ÌæÂ×æÙ 808C âð ÂçÚUßðàæ ÌæÂ×æÙ 308C Ì·¤ Æ´UÇUè ãæðÌè ãñÐ Øã 808C âð 408C Ì·¤ Æ´UÇUæ ãæðÙð ×ð´ 5 ç×ÙÅU ÜðÌè ãñÐ Øã 628C âð 328C Ì·¤ Æ´UÇæ ãæðÙð ×ð´ ç·¤ÌÙæ â×Ø Üð»è? (çÎØæ ãñ ln 250.693, ln 551.609) (1) 3.75 ç×ÙÅU (2) 8.6 ç×ÙÅU (3) 9.6 ç×ÙÅU (4) 6.5 ç×ÙÅU Hindi : 7 Set : 11 12. During an adiabatic compression, 830 J of 12. work is done on 2 moles of a diatomic ideal gas to reduce its volume by 50%. The change in its temperature is nearly : (R58.3 JK21 mol21) °·¤ L¤hæððc× â´ÂèǸ٠·ð¤ ÎæñÚUæÙ, °·¤ çmÂÚU×ææé·¤ ¥æÎàæü »ñâ ·ð¤ 2 ×æðÜ ·¤æ ¥æØÌÙ 50% ·¤× ç·¤Øð ÁæÙð ×ð´ 830 J ·¤æ ·¤æØü ·¤ÚUÙæ ÂǸÌæ ãñÐ §â·ð¤ ÌæÂ×æÙ ×ð´ ÂçÚUßÌüÙ ãñ ֻܻ Ñ (R58.3 JK21 mol21) (1) 40 K (1) 40 K (2) 33 K (2) 33 K (3) 20 K (3) 20 K (4) 14 K (4) 14 K English : 8 Set : 11 Hindi : 8 Set : 11 13. An ideal monoatomic gas is confined in a 13. cylinder by a spring loaded piston of cross section 8.031023 m2. Initially the gas is at 300K and 2.4310 23 occupies m3 a volume of and the spring is in its relaxed state as shown in figure. The gas is heated by a small heater until the piston moves out slowly by 0.1 m. The force constant of the spring is 8000 N/m and the atmospheric pressure is 1.03105 N/m2. The cylinder and the piston are thermally insulated. The piston and the spring are massless and there is no friction between the piston and the cylinder. The final temperature of the gas will be : °·¤ ÕðÜÙ ×ð´ ¥ÙéÂýSÍ ·¤æÅU 8.031023 m2 ·ð¤ °·¤ ·¤×æÙèÎæÚU ÖæçÚUÌ çÂSÅUÙ mæÚUæ °·¤ ¥æÎàæü °·¤ÂÚU×ææé·¤ »ñâ ·¤æð ÚU¹æ »Øæ ãñÐ ÂýæÚUÖ ×ð´ »ñâ 300 K ÂÚU ãñ ¥æñÚU 2.431023 m3 ¥æØÌÙ ÚU¹Ìè ãñ´ ¥æñÚU ·¤×æÙè ¥ÂÙè çßoýæ´çÌ ¥ßSÍæ ×ð´ ãñ Áñâæ ç·¤ ç¿æ ×ð´ ÎàææüØæ »Øæ ãñÐ »ñâ ·¤æð °·¤ ÀUæðÅðU ãèÅUÚU mæÚUæ ÌÕ Ì·¤ »ÚU×U ç·¤Øæ ÁæÌæ ãñ ÁÕ Ì·¤ ç·¤ çÂSÅUÙ ÏèÚðU âð 0.1 m ·¤è »çÌ Ù ·¤ÚU ÜðÐ ·¤×æÙè ·¤æ ÕÜ çÙØÌæ¡·¤ 8000 N/m ãñ ¥æñÚU ßæØé×´ÇUÜèØ ÎæÕ 1.03105 N/m2 ãñÐ ÕðÜÙ °ß´ çÂSÅUÙ ª¤c×æÚUæÏð è ãñ́Ð çÂSÅUÙ °ß´ ·¤×æÙè ÎýÃØ×æÙçßãèÙ ãñ ¥æñÚU çÂSÅUÙ °ß´ ÕðÜÙ ·ð¤ Õè¿ ·¤æð§ü æáüæ Ùãè´ ãñÐ »ñâ ·¤æ ¥çÌ× ÌæÂ×æÙ ãæð»æ Ñ (ãèÅUÚU ·ð¤ ÜèÇU ÌæÚUæð´ â𠪤Áæü ·¤è ãæçÙ Ù»Ø ×æÙð ¥æñÚU ãèÅUÚU ·é¤ÇUÜè ·¤è ª¤c×æÏæçÚUÌæ Öè Ù»Ø ãñ) : (Neglect the heat loss through the lead wires of the heater. The heat capacity of the heater coil is also negligible) (1) 300 K (2) 800 K (3) 500 K (4) 1000 K English : 9 Set : 11 (1) 300 K (2) 800 K (3) 500 K (4) 1000 K Hindi : 9 Set : 11 14. oscillator is given by, °·¤ ¥ß×çÎÌ ÎæðÜ·¤ ·¤è ·¤æðæèØ ¥æßëçæ §ââð Îè ÁæÌè ãñ , k r2 v5 2 where k is the spring 4m 2 m k r2 v5 2 Áãæ¡ k 4m 2 m constant, m is the mass of the oscillator and m ÎæðÜ·¤ ·¤æ ÎýÃØ×æÙ ãñ ¥æñÚU r ¥ß×ÎÙ çSÍÚUæ¡·¤ ãñÐ r is the damping constant. If the ratio ØçÎ ¥ÙéÂæÌ The angular frequency of the damped 14. (1) increases by 1% (1) (2) increases by 8% (2) (3) decreases by 1% (3) (4) decreases by 8% (4) Two factories are sounding their sirens 15. at 800 Hz. A man goes from one factory to other at a speed of 2 m/s. The velocity of sound is 320 m/s. The number of beats heard by the person in one second will ãñ, ÌÕ ¥Ùß×çÎÌ ÎæðÜ·¤ ·ð¤ ×é·¤æÕÜð ¥æßÌü ·¤æÜ ×ð´ ÂçÚUßÌü٠ֻܻ ãæð»æ Ñ r2 is 8%, the change in time period mk compared to the undamped oscillator is approximately as follows : 15. r2 5 8% mk ·¤×æÙè çSÍÚUæ¡·¤ ãñ, 1%âð ßëçh ãæð»è 8%âð ßëçh ãæð»è 1%âð æÅðU»æ 8%âð æÅðU»æ Îæð Èñ¤ÅUçÚUØæ¡ ¥ÂÙð âæØÚUÙ 800 Hz ÂÚU ßçÙÌ ·¤ÚUÌè ãñ´Ð °·¤ ÃØçÌ 2 m/s ·¤è ¿æÜ âð °·¤ Èñ¤ÅUÚUè âð Îê â ÚU è Èñ ¤ ÅÚè Ì·¤ ÁæÌæ ãñ Ð ßçÙ ·¤æ ßð » 320 m/s ãñÐ °·¤ âð·´¤ÇU ×ð´ ÃØçÌ mæÚUæ âéÙè »§ü çßSÂÎæð´ ·¤è â´Øæ ãñ Ñ be : (1) 2 (1) 2 (2) 4 (2) 4 (3) 8 (3) 8 (4) 10 (4) 10 English : 10 Set : 11 Hindi : 10 Set : 11 16. A cone of base radius R and height h is 16. → located in a uniform electric field E parallel to its base. The electric flux ¥æÏæÚU çæØæ R °ß´ ª¡¤¿æ§ü h ßæÜæ °·¤ àæ´·é¤ ¥æÏæÚU → ·ð¤ â×æÌÚU °·¤â×æÙ çßléÌ ÿæðæ E ×ð´ çSÍÌ ãñÐ àæ´·é¤ ×ð´ Âýßðàæ ·¤ÚUÙð ßæÜæ çßléÌ Üâ ãñ : entering the cone is : (1) 1 EhR 2 (1) 1 EhR 2 (2) EhR (2) EhR (3) 2EhR (3) 2EhR (4) 4EhR (4) 4EhR English : 11 Set : 11 Hindi : 11 Set : 11 17. A parallel plate capacitor is made of two 17. plates of length l, width w and separated by distance d. A dielectric slab (dielectric constant K) that fits exactly between the plates is held near the edge of the plates. It is pulled into the capacitor by a force ∂U F5 2 where U is the energy of the ∂x capacitor when dielectric is inside the capacitor up to distance x (See figure). If the charge on the capacitor is Q then the force on the dielectric when it is near the edge is : °·¤ â×æÌÚU ÜðÅU â´ÏæçÚUæ Îæð ÜðÅUæð´ âð ÕÙæ ãñ çÁÙ·¤è ÜÕæ§ü l, ¿æñÇUæ§ü w ãñ´ ¥æñÚU °·¤ ÎéâÚðU âð d ÎêÚUè ÂÚU ãñÐ °·¤ ÂÚUæßñléÌ Â^è (ÂÚUæßñléÌæ´·¤ K) Áæð ç·¤ ÜðÅUæð´ ·ð¤ Õè¿ ÆUè·¤ âð â×æ ÁæÌè ãñ, ·¤æð ÜðÅUæð´ ·¤è çâÚðU ·ð¤ Âæâ ·¤Ç¸ ·¤ÚU ÚU¹æ ãé¥æ ãñÐ §âð â´ÏæçÚUæ ·ð¤ ¥ÎÚU ÕÜ F5 2 (2) (3) (4) Q2 d 2 wl 2 eo Q2 w 2 dl 2 eo Q2 d 2 wl 2 eo Q2 w 2 dl 2 eo English : 12 K (2) ( K21) (3) ( K21) mæÚUæ ¹è´¿æ ÁæÌæ ãñ Áãæ¡ U â´ÏæçÚUæ ·¤è ÌÕ ª¤Áæü ãñ ÁÕ ÂÚUæßñléÌ â´ÏæçÚUæ ·ð¤ ¥ÎÚU x ÎêÚUè ÂÚU ãñÐ (ç¿æ Îð¹ð´)Ð ØçÎ â´ÏæçÚUæ ÂÚU ¥æßðàæ Q ãñ, ÌÕ ÂÚUæßñléÌ ÂÚU ÕÜ, ÁÕ ßã çâÚðU ·ð¤ Âæâ ãñ, ãæð»æ Ñ (1) (1) ∂U ∂x (4) Q2 d 2 wl 2 eo Q2 w 2 dl 2 eo Q2 d 2 wl 2 eo Q2 w 2 dl 2 eo K ( K21) ( K21) K K Set : 11 Hindi : 12 Set : 11 18. In the circuit shown, current (in A) 18. through the 50 V and 30 V batteries are, ÎàææüØð »Øð ÂçÚUÂÍ ×ð´, 50 V °ß´ ÏæÚUæ (A ×ð´) ·ý¤×àæÑ ãñ´ Ñ 30 V ÕñÅUçÚUØæð´ ×ð´ respectively : 19. (1) 2.5 and 3 (2) 3.5 and 2 (3) 4.5 and 1 (4) 3 and 2.5 Three straight parallel current carrying 19. conductors are shown in the figure. The force experienced by the middle conductor °ß´ 3 (2) 3.5 °ß´ 2 (3) 4.5 °ß´ 1 (4) 3 °ß´ 2.5 ÌèÙ âèÏð â×æÌÚU ÏæÚUæ ÂýßæçãÌ ¿æÜ·¤ ç¿æ ×ð´ ÎàææüØð »Øð ãñ´Ð ÜÕæ§ü 25 cm ·ð¤ Õè¿ ßæÜð ¿æÜ·¤ mæÚUæ ¥ÙéÖß ç·¤Øæ »Øæ ÕÜ ãñ : (1) 2.5 Îæ¡Øè ¥æðÚU 631024 N Õæ¡Øè ¥æðÚU 931024 N Õæ¡Øè ¥æðÚU àæêØU of length 25 cm is : (1) 331024 N toward right (1) (2) 631024 N toward left (2) (3) 931024 N toward left (3) (4) Zero (4) English : 13 Set : 11 331024 N Hindi : 13 Set : 11 20. Three identical bars A, B and C are made 20. of different magnetic materials. When kept in a uniform magnetic field, the field lines around them look as follows : ÌèÙ âßüâ×M¤Âè ÀUǸð A, B °ß´ C ÌèÙ çßçÖÙ ¿éÕ·¤èØ ÂÎæÍæðZ âð ÕÙè ãñ´Ð ÁÕ §ãð´ °·¤ °·¤â×æÙ ¿éÕ·¤èØ ÿæðæ ×ð´ ÚU¹æ ÁæÌæ ãñ, ÌÕ §Ù ÂÚU ÿæðæ ÚðU¹æ°¡ çÙÙ Âý·¤æÚU âð çιÌè ãñ´ Ñ §Ù ÀUÇæ¸ ´ð ·ð¤ ÂÎæÍæðZ ·¤æð ÂýçÌ¿éÕ·¤èØ (D), Üæðã ¿éÕ·¤èØ (F) °ß´ ¥Ùé¿éÕ·¤èØ (P) ¥æÏæÚU ÂÚU â´»Ì ·¤ÚðU´ : Make the correspondence of these bars with their material being diamagnetic (D), ferromagnetic (F) and paramagnetic (P) : 21. (1) A ↔ D, B ↔ P, C ↔ F (1) A ↔ D, B ↔ P, C ↔ F (2) A ↔ F, B ↔ D, C ↔ P (2) A ↔ F, B ↔ D, C ↔ P (3) A ↔ P, B ↔ F, C ↔ D (3) A ↔ P, B ↔ F, C ↔ D (4) A ↔ F, B ↔ P, C ↔ D (4) A ↔ F, B ↔ P, C ↔ D 0.01 s. The e.m.f. induced in the coil is : Èð¤ÚðU °ß´ 4 cm2 Ȥܷ¤ ÿæðæÈ¤Ü ßæÜè °·¤ ßëæèØ ¥ÙéÂýSÍ ·¤æÅU ·¤è ·é´¤ÇUÜè ·¤æð §â·ð¤ ¥ÿæ ·ð¤ â×æÌÚU °·¤ ¿éÕ·¤èØ ÿæðæ ×ð´ ÚU¹æ »Øæ ãñ Áæð ç·¤ 1022 Wb m22 0.01 s ×ð´ æÅU ÁæÌæ ãñÐ ·é´¤ÇUÜè ×ð´ ÂýðçÚUÌ çßléÌ ßæã·¤ ÕÜ ãñ Ñ (1) 400 mV (1) 400 mV (2) 200 mV (2) 200 mV (3) 4 mV (3) 4 mV (4) 0.4 mV (4) 0.4 mV A coil of circular cross-section having 21. 1000 turns and 4 cm2 face area is placed with its axis parallel to a magnetic field which decreases by 10 22 Wb m 22 in English : 14 Set : 11 1000 Hindi : 14 Set : 11 22. An electromagnetic wave of frequency 22. 131014 hertz is propagating along z - axis. The amplitude of electric field is 4 V/m. If e o58.8310 212 C 2/N-m 2, then average energy density of electric field will be : 23. ¥æßëçæ 131014 ãÅüUÁ ·¤è °·¤ çßléÌ ¿éÕ·¤èØ ÌÚ´U» z - ¥ÿæ ÂÚU â´¿ÚUæ ·¤ÚU ÚUãè ãñÐ çßléÌ ÿæðæ ·¤æ ¥æØæ× 4 V/m ãñÐ ØçÎ eo58.8310212 C2/N-m2, ÌÕ çßléÌ ÿæðæ ·¤æ ¥æñâÌ ª¤Áæü æÙß ãæð»æ : (1) 35.2310210 J/m3 (1) 35.2310210 J/m3 (2) 35.2310211 J/m3 (2) 35.2310211 J/m3 (3) 35.2310212 J/m3 (3) 35.2310212 J/m3 (4) 35.2310213 J/m3 (4) 35.2310213 J/m3 An object is located in a fixed position 23. in front of a screen. Sharp image is obtained on the screen for two positions of a thin lens separated by 10 cm. The size of the images in two situations are in the ratio 3 : 2. What is the distance between °·¤ ÂÎðü ·ð¤ âæ×Ùð °·¤ çSÍÚU çSÍçÌ ×ð´ °·¤ ßSÌé çSÍÌ ãñÐ °·¤ ÂÌÜð Üðâ ·¤è 10 cm ÎêÚUè ÂÚU Îæð çSÍçÌØæð´ âð ÂÎðü ÂÚU SÂcÅU ÂýçÌçÕÕ ÕÙÌð ãñ´Ð ÎæðÙæð´ çSÍçÌØæð´ ×ð´ ÂýçÌçÕÕæ𴠷𤠥淤æÚU ·¤æ ¥ÙéÂæÌ 3 : 2 ãñÐ ßSÌé °ß´ ÂÎðü ·ð¤ Õè¿ ÎêÚUè Øæ ãñ? the screen and the object ? (1) 124.5 cm (1) 124.5 cm (2) 144.5 cm (2) 144.5 cm (3) 65.0 cm (3) 65.0 cm (4) 99.0 cm (4) 99.0 cm English : 15 Set : 11 Hindi : 15 Set : 11 24. Two monochromatic light beams of 24. intensity 16 and 9 units are interfering. The ratio of intensities of bright and dark parts of the resultant pattern is : 25. ÌèßýÌæ 16 °ß´ 9 §·¤æ§ü ßæÜè Îæð °·¤ßæèü Âý·¤æàæ Âé´Áæð´ ·ð¤ Õè¿ ÃØçÌ·¤ÚUæ ãæð ÚUãæ ãñÐ ÂçÚUææ×è ç¿æ ·ð¤ ©ÁÜð ¥æñÚU ·¤æÜð çãSâæð´ ·¤è ÌèßýÌæ¥æð´ ·¤æ ¥ÙéÂæÌ ãæð»æ Ñ (1) 16 9 (1) 16 9 (2) 4 3 (2) 4 3 (3) 7 1 (3) 7 1 (4) 49 1 (4) 49 1 of the compound microscope should be : °·¤ â´ØéÌ âêÿ×Îàæèü ×ð´ ¥çÖÎëàØ·¤ Üðâ ·¤è Ȥæð·¤â ÜÕæ§ü 1.2 cm ¥æñÚU Ùðçæ·¤æ ·¤è Ȥæð·¤â ÜÕæ§ü 3.0 cm ãñ´Ð ÁÕ ßSÌé ·¤æð ¥çÖÎëàØ·¤ ·ð¤ âæ×Ùð 1.25 cm ·¤è ÎêÚUè ÂÚU ÚU¹æ ÁæÌæ ãñ, ÌÕ ¥çÌ× ÂýçÌçÕÕ ¥ÙÌ ÂÚU ÕÙÌæ ãñÐ â´ØéÌ âêÿ×Îàæèü ·¤è ¥æßÏüÙ àæçÌ ãæðÙè ¿æçã° Ñ (1) 200 (1) 200 (2) 100 (2) 100 (3) 400 (3) 400 (4) 150 (4) 150 In a compound microscope the focal length 25. of objective lens is 1.2 cm and focal length of eye piece is 3.0 cm. When object is kept at 1.25 cm in front of objective, final image is formed at infinity. Magnifying power English : 16 Set : 11 Hindi : 16 Set : 11 26. A photon of wavelength l is scattered 26. from an electron, which was at rest. The wavelength shift Dl is three times of l and the angle of scattering u is 608. The angle at which the electron recoiled is f. The value of tan f is : (electron speed is much çßoýæ× ¥ßSÍæ ·ð¤ °·¤ §ÜðÅþUæÙ âð ÌÚ´U»ÎñØü l ·¤æ °·¤ ȤæðÅUæÙ Âý·¤èçæüÌ ãæðÌæ ãñÐ ÌÚ´U»ÎñØü SÍæÙæÌÚU Dl ÌÚ´U»ÎñØü l ·¤æ ÌèÙ »éÙæ ãñ ¥æñÚU Âý·¤èæüÙ ·¤æðæ u5608 ãñÐ §ÜðÅþUæÙ f ·¤æðæ ÂÚU ÂýçÌçÿæÌ ãæðÌæ ãñÐ tan f ·¤æ ×æÙ ãñ Ñ (§ÜðÅþUæÙ ·¤è ¿æÜ Âý·¤æàæ ·¤è ¿æÜ âð ·¤æÈ¤è ·¤× ãñ) smaller than the speed of light) 27. (1) 0.16 (1) 0.16 (2) 0.22 (2) 0.22 (3) 0.25 (3) 0.25 (4) 0.28 (4) 0.28 A radioactive nuclei with decay constant 27. 100 ÙæçÖ·¤ ÂýçÌ âñç·¤ÇU ·¤è çSÍÚU ÎÚU âð ÿæØçSÍÚUæ¡·¤ 0.5/s is being produced at a constant rate 0.5/s of 100 nuclei/s. If at t50 there were no nuclei, the time when there are 50 nuclei ßæÜð ÚðUçÇUØæðâç·ý¤Ø ÙæçÖ·¤ ©ÂÙ ãæð ÚUãð ãñ´Ð ØçÎ t50 ÂÚU °·¤ Öè Ùæç×·¤ ©ÂçSÍÌ Ùãè´ Íæ, ÌÕ 50 ÙæçÖ·¤ ©ÂÙ ãæðÙð ×ð´ Ü»æ â×Ø ãñ Ñ is : (1) 1s (1) 1s (2) 4 2 ln s 3 (2) 4 2 ln s 3 (3) ln 2 s (3) ln 2 s (4) 4 ln s 3 (4) 4 ln s 3 English : 17 Set : 11 Hindi : 17 Set : 11 28. The currents I, IZ and IL are respectively °·¤ ÁðÙÚU ÇUæØæðÇU ·¤æð °·¤ ÕñÅUÚUè °ß´ °·¤ ÜæðÇU âð ÁæðÇ¸æ »Øæ ãñ Áñâæ ç·¤ ÂçÚUÂÍ ×ð´ ÎàææüØæ »Øæ ãñÐ ÏæÚUæØð´ I, IZ °ß´ IL ·ý¤×àæÑ ãñ´ Ñ (1) 15 mA, 5 mA, 10 mA (1) 15 mA, 5 mA, 10 mA (2) 15 mA, 7.5 mA, 7.5 mA (2) 15 mA, 7.5 mA, 7.5 mA (3) 12.5 mA, 5 mA, 7.5 mA (3) 12.5 mA, 5 mA, 7.5 mA (4) 12.5 mA, 7.5 mA, 5 mA (4) 12.5 mA, 7.5 mA, 5 mA A Zener diode is connected to a battery 28. and a load as shown below : English : 18 Set : 11 Hindi : 18 Set : 11 29. âê¿è-I (çßléÌ ¿éÕ·¤èØ çßç·¤ÚUæ âð âÕh æÅUÙæ°¡) ·¤æð âê¿è-II (çßléÌ ¿éÕ·¤èØ SÂðÅþU× ·¤æ Öæ») âð âé×ðçÜÌ ·¤èçÁ° ¥æñÚU âêç¿Øæð́ ·ð¤ Ùè¿ð çÎØð »Øð çß·¤ËÂæð́ ×´ð âð âãè çß·¤Ë ¿éçÙ° Ñ Match the List - I (Phenomenon associated 29. with electromagnetic radiation) with List - II (Part of electromagnetic spectrum) and select the correct code from the choices given below the lists : List - I I Doublet of sodium ÇÏ¤Í - I List - II A Visible radiation Wavelength corresponding to II temperature associated with the isotropic radiation filling all space B Microwave Wavelength emitted by III atomic hydrogen in interstellar space Short C radiowave Wavelength of radiation IV arising from two close D X - rays energy levels in hydrogen ÇÏ¤Í - II I ÇËÕ̬U½¼ Ë Ìm A ³ÐŽ ÌÄÌ¿UøË II ǧÏøËá ǼÌcªU ¼Õ Ǽ³ÖÌÅË ÌÄÌ¿UøË Õ»¿UÕU ÈËÕ¾Õ ÇÕ ÇºÌh± ±Ë§¼Ë¾ Õ Ç ± ±¿UU ³Öç½á B ÇÏÏä¼ ±¿UU III ü±¿U±Ë¿Uͽ ËËÅË ¼Õ §¿U¼ËøËÎ ÈˬUãUËÕ¦¾ mË¿UË íÇ̦ᱠ±¿UU ³Öç½á C ÁìËÎ ¿UÕU̬U½ËÕ ±¿UU Õ IV ÈˬUãUËÕ¦¾ ¼Õ ³ËÕ Ç¼Í§ ¦Ëá S±¿UËÕ ÇÕ Ì¾ÁÕ ÌÄÌ¿UøË Í ±¿UU ³Öç½á D X - Ì¿UøËÕ (1) (I)-(A), (II)-(B), (III)-(B), (IV)-(C) (1) (I)-(A), (II)-(B), (III)-(B), (IV)-(C) (2) (I)-(A), (II)-(B), (III)-(C), (IV)-(C) (2) (I)-(A), (II)-(B), (III)-(C), (IV)-(C) (3) (I)-(D), (II)-(C), (III)-(A), (IV)-(B) (3) (I)-(D), (II)-(C), (III)-(A), (IV)-(B) (4) (I)-(B), (II)-(A), (III)-(D), (IV)-(A) (4) (I)-(B), (II)-(A), (III)-(D), (IV)-(A) English : 19 Set : 11 Hindi : 19 Set : 11 30. In the circuit diagrams (A, B, C and D) 30. shown below, R is a high resistance and S is a resistance of the order of galvanometer resistance G. The correct circuit, corresponding to the half deflection ÎàææüØð ÂçÚUÂÍ ç¿ææð´ (A, B, C °ß´ D) ×ð´, R °·¤ ¥Ø ©¿ ÂýçÌÚUæðÏ ãñ ¥æñÚU S »ñËßñÙæð×æÂè ÂýçÌÚUæðÏ G ·¤è ·¤æðçÅU ·¤æ ÂýçÌÚUæðÏ ãñÐ »ñËßñÙæð×æÂè ·¤æ ÂýçÌÚUæðÏ °ß´ ÎÿæÌæ´·¤ çÙ·¤æÜÙð ·ð¤ ¥hü-çßÿæðÂæ çßçÏ ·ð¤ â´»Ì âãè ÂçÚUÂÍ ç¿çãÌ ãñ §ââð Ñ method for finding the resistance and figure of merit of the galvanometer, is the circuit labelled as : (A) (A) (B) (B) (C) (C) English : 20 Set : 11 Hindi : 20 Set : 11 (D) (D) (1) RS Circuit A with G5 ( R 2 S) (2) Circuit B with G5S (3) Circuit C with G5S (4) RS Circuit D with G5 R2 S English : 21 Set : 11 RS R 2 S) (1) G5 ( (2) G5S ·ð¤ ·ð¤ âæÍ ÂçÚUÂÍ A (3) âæÍ ÂçÚUÂÍ B G5S ·ð¤ âæÍ ÂçÚUÂÍ C (4) G5 Hindi : 21 RS R2 S ·ð¤ âæÍ ÂçÚUÂÍ D Set : 11 PART B CHEMISTRY 31. If lo and l be the threshold wavelength 31. and wavelength of incident light, the velocity of photoelectron ejected from the Öæ» B ÚUâæØÙ çßææÙ ØçÎ lo ¥æñÚU l ÎãÜè$Áè ÌÚ´U»ÎñØü ¥æñÚU ¥æÂçÌÌ Âý·¤æàæ ·¤æ ÌÚ´U» ÎñØü ãæð´ Ìæð ÏæÌé SÍÜ âð çÙ·¤Üð Âý·¤æàæèØ §ÜðÅþUæÙæ´ð ·¤æ ßð» ãæð»æ Ñ metal surface is : 32. (1) 2h ( lo 2 l ) m (1) 2h ( lo 2 l ) m (2) 2hc ( lo 2 l ) m (2) 2hc ( lo 2 l ) m (3) 2 h c lo 2 l m l lo (3) 2 h c lo 2 l m l lo (4) 2h 1 1 2 m lo l (4) 2h 1 1 2 m lo l The appearance of colour in solid alkali 32. metal halides is generally due to : (1) Schottky defect (2) Frenkel defect (3) Interstitial position (4) F-centres English : 22 Set : 11 ÆUæðâ ÿææÚU ÏæÌé ãðÜæ§ÇUæð´ ×ð´ Ú´U» ·ð¤ Îð¹ð ÁæÙð ·¤æ ·¤æÚUæ ÂýæØÑ ãæðÌæ ãñ Ñ (1) àææòÅU·¤è Îæðá (2) $Èýñ´¤·¤Ü Îæðá (3) ¥ÌÚUæÜè SÍæÙ (4) F-·ð¤Îý Hindi : 22 Set : 11 33. In the reaction of formation of sulphur 33. trioxide by contact process â·ü¤ çßçÏ mæÚUæ âË$ȤÚU ÅþUæ§ü¥æâæ§ÇU ÕÙæÙð ·¤è ¥çÖç·ý¤Øæ 2SO21O2 ì 2SO3 ×ð´ ¥çÖç·ý¤Øæ ·¤è d [O2 ] ×æðÜ 2SO21O2 ì 2SO3 the rate of reaction was ÎÚU ·¤æð measured as ·ð¤ M¤Â ×ð´ ×æÂæ »ØæÐ ¥çÖç·ý¤Øæ ÎÚU [SO2]·ð¤ M¤Â ×ð´ d [O 2 ] dt dt 522.531024 L21 s21 ×æðÜ L21 s21 ×ð´ ãæð»è Ñ 522.531024mol L21 s21. The rate of reaction in terms of [SO2] in mol L21s21 will be : 34. (1) 21.25310 24 (1) 21.25310 24 (2) 22.50310 24 (2) 22.50310 24 (3) 23.75310 24 (3) 23.75310 24 (4) 25.00310 24 (4) 25.00310 24 Assuming that the degree of hydrolysis is 34. small, the pH of 0.1 M solution of sodium acetate (Ka=1.031025) will be : (1) 5.0 Øã ×æÙÌð ãé° ç·¤ ãæ§ÇþUæðÜðçââ ·¤æ ·ý¤×æ´·¤ (çÇU»ýè) Øê Ù ãñ , âæð ç ÇU Ø × °ð â èÅð U Å U ·ð ¤ 0.1M çßÜØÙ (Ka=1.031025) ·¤æ pH ãæð»æ Ñ (1) 5.0 (2) 6.0 (2) 6.0 (3) 8.0 (3) 8.0 (4) 9.0 (4) 9.0 English : 23 Set : 11 Hindi : 23 Set : 11 35. For the reaction, 2N2O5 → 4NO21O2, the 35. rate equation can be expressed in two ways 2 1 36. d[N2O5 ] dt 5 k [ N 2 O 5 ] and ¥çÖç·ý¤Øæ 2N2O5 → 4NO21O2, ·ð¤ çÜ° ÎÚU â×è·¤ÚUæ ·¤æð Îæð ÌÚUè·ð¤ âð çܹæ Áæ â·¤Ìæ ãñ 2 d [ NO 2 ] 5 k9 [ N 2 O 5 ] dt 1 d[N2O5 ] dt 5 k [N2O5 ] ¥æñÚU d [ NO 2 ] 5 k9 [ N 2 O 5 ] dt ¥æñÚU k ·¤æð çÙÙ ç·¤â M¤Â ×ð´ çܹæ ÁæØð»æ? k and k are related as : k (1) k5k (1) k5k (2) 2k5k (2) 2k5k (3) k52k (3) k52k (4) k54k (4) k54k In some solutions, the concentration of H3O1 remains constant even when small 36. amounts of strong acid or strong base are added to them. These solutions are known as : ·é¤ÀU çßÜØÙæð´ ×ð´ ÂýÕÜ °ðçâÇU ¥Íßæ ÂýÕÜ ÿææÚU ·¤è ÍæðǸè ×æææ ç×ÜæÙð ÂÚU Öè H3O1 ·¤æ âæÎýæ çSÍÚU ãè ÚUãÌæ ãñÐ §Ù çßÜØÙæð´ ·¤æð Ùæ× çÎØæ ÁæÌæ ãñ Ñ (1) Ideal solutions (2) Colloidal solutions (1) (3) True solutions (2) (4) Buffer solutions (3) (4) English : 24 Set : 11 ¥æÎàæü çßÜØÙ ·¤æðÜæØÇUè çßÜØÙ ßæSÌçß·¤ çßÜØÙ ÕȤÚU (Buffer) çßÜØÙ Hindi : 24 Set : 11 37. 37. Given Fe31(aq)1 e2®Fe21(aq); E8=10.77 V A l 3 1 ( a q ) 1 3 e2 ® A l ( s ) ; E 8 = 2 1 . 6 6 V Br2(aq)12 e2®2B r2 ; E8=11.09 V Considering the electrode potentials, which of the following represents the correct order of reducing power ? 38. (1) Fe21< Al < B r2 (2) B r2 < Fe21< Al (3) Al < B r2 < Fe21 (4) Al < Fe21< B r2 38. The initial volume of a gas cylinder is 750.0 mL. If the pressure of gas inside the çÎØæ »Øæ ãñ Fe31(ÁÜèØ)1 e2®Fe21(ÁÜèØ); E8 =10.77 V Al31(ÁÜèØ)13 e2®Al(s); E8 = 21.66 V 2 Br2(ÁÜèØ)12 e ®2B r2 ; E8 = 11.09 V §ÜñÅþUæðÇU çßÖßæ𴠷𤠥æÏæÚU ÂÚU çÙÙæð´ ×ð´ âð ·¤æñÙ ·ý¤× ¥Â¿ØÙ àæçÌØæð´ ·¤æð âãè ÂýSÌéÌ ·¤ÚUÌæ ãñ? (1) Fe21< Al < B r2 (2) B r2 < Fe21< Al (3) Al < B r2 < Fe21 (4) Al < Fe21< B r2 °·¤ »ñ â ·ð ¤ çâçÜÇU Ú U ·¤æ Âý æ ÚU ç Ö·¤ ¥æØÌÙ 750.0 mL ãñÐ ØçÎ çâçÜÇUÚU ·ð¤ Õè¿ ·¤è »ñâ ·¤æ ÎæÕ 840.0 mm Hg âð ÕÎÜ ·¤ÚU 360.0 mm Hg ãæð ÁæÌæ ãñ Ìæð »ñâ ·¤æ ¥çÌ× ¥æØÌÙ ãæð»æ Ñ cylinder changes from 840.0 mm Hg to 360.0 mm Hg, the final volume the gas will (1) 1.750 L be : (2) 3.60 L (1) 1.750 L (3) 4.032 L (2) 3.60 L (4) 7.50 L (3) 4.032 L (4) 7.50 L English : 25 Set : 11 Hindi : 25 Set : 11 39. The molar heat capacity (Cp) of CD2O is 39. 10 cals at 1000 K. The change in entropy associated with cooling of 32 g of CD2O vapour from 1000 K to 100 K at constant pressure will be : (D = deuterium, at. mass = 2 u) 40. ·¤è ×æðÜÚU ª¤c×æ ÏæçÚUÌæ (Cp) 1000 K ÂÚU 10 cals ãñÐ 32 g CD2O ßæc ·¤æð 1000 K âð 100 K Ì·¤ çSÍÚU ÎæÕ ÂÚU ÆUÇUæ ·¤ÚUÙð ÂÚU âÕh °ðÅþUæÂè ÂçÚUßÌüÙ ãæð»æ Ñ (D = çÇUØéÅUèçÚUØ×, ¥æñÚU §â·¤æ ÂÚU×ææé ÎýÃØ×æÙ = 2 ×ææ·¤) CD2O (1) 23.03 cal deg21 (1) 23.03 cal deg21 (2) 223.03 cal deg21 (2) 223.03 cal deg21 (3) 2.303 cal deg21 (3) 2.303 cal deg21 (4) 22.303 cal deg21 (4) 22.303 cal deg21 Based on the equation : (523 218 - 40. 1 1 2 2 2 n n 1 2 â×è·¤ÚUæ Ñ (523 218 - the wavelength of the light that must be absorbed to excite hydrogen electron from level n=1 to level n=2 will be : (h = 6.625310234 Js, C= 33108 ms21) 1 1 2 2 2 n n 1 2 ·ð¤ ¥æÏæÚU ÂÚU ãæ§ÇþUæðÁÙ ·ð¤ §ÜñÅþUæÙ ·¤æð SÌÚU n=1 âð SÌÚU n=2 Ì·¤ ©æðçÁÌ ·¤ÚUÙð ·ð¤ çÜØð Âý·¤æàæ, çÁâ ·¤æ àææðáæ ¥æßàØ·¤ ãæð»æ, ·¤æ ÌÚ´U» ÎñØü §Ù×ð´ âð Øæ ãæð»æ Ñ (h = 6.625310234 Js, C = 33108 ms21) (1) 1.325310 27 m (1) 1.325310 27 m (2) 1.325310210 m (2) 1.325310210 m (3) 2.650310 27 m (3) 2.650310 27 m (4) 5.300310210 m (4) 5.300310210 m English : 26 Set : 11 Hindi : 26 Set : 11 41. Which of the following series correctly 41. represents relations between the elements çÙÙ âð ·¤æñÙ âæ âèÚUè$Á Îæð Ìßæð´ X ¥æñÚU Y ·ð¤ Õè¿ ·ð¤ âÕÏ ·¤æ âãè çÙM¤ÂÙ ·¤ÚUÌæ ãñ? from X to Y ? X ® Y (1) (2) 3Li 9F X ® Y ® 19K Ionization (3) ¥æØÙè·¤ÚUæ ·¤è °ðÍñËÂè ÕɸÌè ãñ 9F ® 35Br §Üñ Åþ U æ Ù ÜæÖ ·¤è °ð Íñ Ë Âè «¤ææ×·¤ ç¿ã ·ð¤ âæÍ ÕɸÌè ãñ 6C ® 32Ge ÂÚU×ææé¥æð´ ·¤è çæØæ°¡ ÕɸÌè ãñ´ñ (4) 18Ar® 54Xe enthalpy (1) ® 35Br Electron gain enthalpy with negative sign (2) increases increases 42. (3) 6C (4) 18Ar ® 54Xe Noble character increases ® 32Ge Atomic radii increases 3Li ® 19K ©·ý¤C SßÖæß ÕɸÌæ ãñ 2 The correct order of bond dissociation 42. çÙÙ ÃØßSÍæ¥æð´ ×ð´ âð ç·¤â ×ð´ N2, O2, is shown in energy among N2, O2, O2 2 which of the following arrangements ? ¥æÕÏ çßØæðÁÙ ª¤Áæü ·ð¤ âãè ·ý¤× ·¤æð çιæØæ »Øæ ãñ ? (1) > O2 N2 > O2 2 (1) N2 > O2 > O2 2 (2) 2 O 2 > O2 > N2 (2) 2 O 2 > O2 > N2 (3) N2 > O2 > O2 2 (3) N2 > O2 > O2 2 (4) O2 > O2 > N2 2 (4) O2 > O2 > N2 2 English : 27 Set : 11 Hindi : 27 O2 ·¤è Set : 11 43. Which of the following statements about 43. Na2O2 is not correct ? 44. (1) It is diamagnetic in nature. (2) It is a derivative of H2O2. (3) Na2O2 oxidises Cr31 to CrO422 in acid medium. (4) It is the super oxide of sodium. Which of the following statements about 44. the depletion of ozone layer is correct ? (1) The problem of ozone depletion is less serious at poles because NO 2 solidifies and is not available for consuming ClO radicals. (2) The problem of ozone depletion is more serious at poles because ice crystals in the clouds over poles act as catalyst for photochemical reactions involving decomposition of ozone by the Cl Na2O2 ·ð¤ âÕÏ ×ð´ çÙÙ ·¤ÍÙæð´ âð ·¤æñÙ âæ ·¤ÍÙ âãè Ùãè´ ãñ? (1) §â ·¤è Âýßëçæ ÂýçÌ¿éÕ·¤èØ ãñÐ (2) Øã H2O2·¤æ °·¤ ÃØéÂÙ ãñ (3) ¥æÜ ×æØ× ×ð ´ Na 2O 2 âð Cr 31 ·¤æ CrO422 ×𴠩¿ØÙ ãæð ÁæÌæ ãñÐ (4) Øã âæðçÇUØ× ·¤æ ÂÚUæ-¥æâæ§Ç ãñÐU ¥æðÁæðÙ SÌÚU ·ð¤ æÅUÙð âÕÏè çÙÙ ·¤ÍÙæð´ ×ð´ âð ·¤æñÙ âæ âãè ãñ? (1) Ïýéßè ÿæðææð´ ×ð´ ¥æð$ÁæðÙ æÅUÙð ·¤è â×SØæ ·¤× ×ãß ÚU¹Ìè ãñ Øæð´ç·¤ NO2 Á×·¤ÚU ÆUæðâ ÕÙ ÁæÌè ãñ ¥æñÚU ClO ×êÜ·¤æð´ ·¤æð ãÅUæÙð ·ð¤ çÜØð ©ÂÜÏ Ùãè´ ãæðÌèÐ (2) Ïýß é è ÿæðææð́ ×ð́ ¥æðÁ $ æðÙ ·ð¤ æÅUÙð ·¤è â×SØæ ¥çÏ·¤ ×ãß ÚU¹Ìè ãñ Øæð´ç·¤ Ïýéßæð´ ÂÚU ÕæÎÜæð´ ×ð´ ÕÈü¤ ·ð¤ ç·ý¤SÅUÜæð´ ·ð¤ ãæðÙð âð Cl ¥æñÚU ClO ÚðUçÇU·¤Üæð´ mæÚUæ ©ÂýðçÚUÌ ¥æð$ÁæðÙ çßØæðÁÙ ·¤è Âý·¤æàæ-ÚUæâæØçÙ·¤ ¥çÖç·ý¤Øæ°¡ ãæð â·¤Ìè ãñÐ and ClO radicals. (3) Freons, chlorofluorocarbons, are (3) inert chemically, they do not react with ozone in stratosphere. (4) Oxides of nitrogen also do not react with ozone in stratosphere. English : 28 Set : 11 (4) çÈý¤¥æÙð´ (ÜæðÚUæðÜæðÚUæð ·¤æÕüÙ) ÚUæâæØçÙ·¤ M¤Â ×ð´ ¥ç·ý¤Ø ãæðÌè ãñ´Ð ß𠪤ÂÚUè ßæØé×ÇUÜ ×ð´ ©ÂçSÍÌ ¥æð$ÁæðÙ âð ç·ý¤Øæ Ùãè´ ·¤ÚUÌè´Ð ª¤ÂÚUè ßæØé×ÇUÜ ·¤è ¥æð$ÁæðÙ âð Ùæ§ÅUþUæðÁÙ ·ð¤ ¥æâæ§ÇU Öè ç·ý¤Øæ Ùãè´ ·¤ÚUÌðÐ Hindi : 28 Set : 11 45. A gaseous compound of nitrogen and 45. hydrogen contains 12.5%(by mass) of hydrogen. The density of the compound relative to hydrogen is 16. The molecular Ùæ§ÅþUæðÁÙ ¥æñÚU ãæ§ÇþUæðÁÙ ·¤æ °·¤ »ñâèØ Øæñç»·¤ ÎýÃØ×æÙ âð 12.5% ãæ§ÇþUæðÁÙ ÚU¹Ìæ ãñÐ ãæ§ÇþUæðÁÙ ·¤è ÌéÜÙæ ×ð´ §â Øæñç»·¤ ·¤æ æÙß 16 ãñÐ Øæñç»·¤ ·¤æ ¥æéâêæ ãæð»æ Ñ formula of the compound is : 46. (1) NH2 (1) NH2 (2) N3H (2) N3H (3) NH3 (3) NH3 (4) N2H4 (4) N2H4 Shapes of certain interhalogen compounds 46. are stated below. Which one of them is ·é¤ÀU ¥´ÌÑãñÜæðÁÙ Øæñç»·¤æ𴠷𤠥淤æÚU Ùè¿ð çܹ𠻰 ãñ´Ð §Ù×ð´ âð ·¤æñÙ âæ ·¤ÍÙ âãè Ùãè´ ãñ? not correctly stated ? 47. (1) IF7 : pentagonal bipyramid (1) (2) BrF5 : trigonal bipyramid (2) (3) BrF3 : planar T-shaped (3) (4) ICl3 : planar dimeric (4) Consider the following equilibrium 1 47. ´¿ÖéÁèØ çmçÂÚUæç×ÇU BrF5 : çæ·¤æðæèØ çmçÂÚUæç×ÇU BrF3 : â×ÌÜèØ T-¥æ·¤æÚU ·¤æ ICl3 : â×ÌÜèØ ÇUæ§×ðçÚU·¤ (Îæð ÃØßçSÍÌ) IF7 : §â âæØ 1 AgCl ¯12NH3 ì Ag ( NH 3 )2 1 Cl2 AgCl ¯12NH3 ì Ag ( NH 3 )2 1 Cl2 White precipitate of AgCl appears on adding which of the following ? ·¤æð ØæÙ ÎèçÁ°Ð çÙÙæð´ ×ð´ âð ç·¤âð ÇUæÜÙð ÂÚU AgCl ·¤æ àßðÌ ¥ßÿæð ÕÙð»æ? (1) NH3 (1) (2) aqueous NaCl (2) (3) aqueous HNO3 (3) (4) aqueous NH4Cl (4) English : 29 Set : 11 NH3 ÁÜèØ NaCl ÁÜèØ HNO3 ÁÜèØ NH4Cl Hindi : 29 Set : 11 48. Which of the following name formula 48. çÙÙ Ùæ×-âêæ ÁæðǸæð ×ð´ âð ·¤æñÙ âãè Ùãè´ ãñ? combinations is not correct ? Formula 49. ÇÏîË Name (1) K2[Pt(CN)4] Potassium tetracyanoplatinate (II) (1) K2[Pt(CN)4] §ËÕªUËÌÅ˽¼ ªÖUªãUËÇ˽¾ËÕ åÁÖªU;ժU (II) (2) [Mn(CN)5]22 Pentacyanomagnate (II) ion (2) [Mn(CN)5]22 §ÖüªUËÇ˽¾ËÕ ¼Ö ˾ժU(II) ˽¾ (3) K[Cr(NH3)2Cl4] Potassium diammine tetrachlorochromate (III) (3) K[Cr(NH3)2Cl4] §ËÕªÖUÌÅ˽¼ ¬UËá¼Í¾ªÖUªãUËþÁËÕ¿UËÕâËÕ¼ÕªU(III) (4) [Co(NH3)4(H2O)I]SO4 Tetraammine aquaiodo cobalt (III) sulphate (4) [Co(NH3)4(H2O)I]SO4 ªÖUªãUË Õ¼Í¾ËÕþÄË˽ËÕ¬UËÕËպ˰ªU (III) Ç°$$­ÕªU Consider the coordination compound, 49. [Co(NH3)6]Cl3. In the formation of this complex, the species which acts as the Lewis acid is : 50. ¾Ë¼ â×ßØè Øæñç»·¤ [Co(NH3)6]Cl3 ·¤æð ØæÙ ÎèçÁ°Ð §â â´·¤ÚUU ·ð¤ ÕÙæÙð ×ð´ ÂýØéÌ ÂÎæÍü Áæð ËØé§â °ðçâÇU (Lewis acid) ãñ, ãæð»æ Ñ (1) [Co(NH3)6]31 (1) (2) Cl2 [Co(NH3)6]31 (2) Cl2 (3) Co31 (3) Co31 (4) NH3 (4) NH3 Which one of the following does not have 50. a pyramidal shape ? çÙÙæð´ ×ð´ âð 緤⠷¤æ M¤Â çÂÚUæç×ÇUèØ Ùãè´ ãñ? (1) (CH3)3 N (1) (2) (SiH3)3 N (CH3)3 N (2) (3) P(CH3)3 (SiH3)3 N (3) (4) P(SiH3)3 P(CH3)3 (4) P(SiH3)3 English : 30 Set : 11 Hindi : 30 Set : 11 51. 51. The following reaction ·¤æð §Ù×ð´ âð ç·¤â Ùæ× âð ÁæÙæ ÁæÌæ ãñ? (1) ÂÚUç·¤Ù ¥çÖç·ý¤Øæ (2) »ñÅUÚU×Ù - ·¤æò¿ $ȤÚU×èÜðàæÙ (3) ·¤æðÜÕð ·¤è ¥çÖç·ý¤Øæ (4) »ñÅUÚU×Ù ¥çÖç·ý¤Øæ is known as : 52. 53. (1) Perkin reaction (2) Gattermann-Koch Formylation (3) Kolbes reaction (4) Gattermann reaction ¥çÖç·ý¤Øæ The reagent needed for converting 52. ÂçÚUßÌüÙ is : ·ð¤ çÜØð ¥æßàØ·¤ ¥çÖ·¤æÚU·¤ ãñ Ñ (1) ·ñ¤ÅU. ãæ§ÇþUæðçÁÙðàæÙ (2) H2/çÜ´ÇUÜÚU ·ñ¤ÅU. (1) Cat. Hydrogenation (2) H2/Lindlar Cat. (3) Li/NH3 (4) LiAlH4 Complete reduction of benzene-diazonium 53. chloride with Zn/HCl gives : (1) Aniline (2) Phenylhydrazine (3) Azobenzene (4) Hydrazobenzene English : 31 Set : 11 (3) Li/NH3 (4) LiAlH4 ·ð¤ mæÚUæ Õñ$ÁèÙ ÇUæØæ$ÁæðçÙØ× ÜæðÚUæ§ÇU ·¤æ ÂêÚUæ ¥Â¿ØÙ ÎðÌæ ãñ Ñ (1) °ðÙèÜèÙ (2) ç$ȤÙæ§Üãæ§ÇþUæ$ÁèÙ (3) °ð$ÁæðÕñ$ÁèÙ (4) ãæ§ÇþU°ð$ÁæðÕñ$ÁèÙ Zn/HCl Hindi : 31 Set : 11 54. 55. described below : °·¤ ¥æÚU»ñçÙ·¤ Øæñç»·¤ A, C5H8O; çÙÙ Âý·¤æÚU H2O, NH3 ¥æñÚU CH3COOH ·ð¤ âæÍ ç·ý¤Øæ ·¤ÚUÌæ ãñ A is : A ãñ (1) (1) (2) (2) (3) (3) (4) (4) An organic compound A, C5H8O; reacts 54. with H 2 O, NH 3 and CH 3 COOH as In allene (C 3 H 4 ), the type(s) of 55. hybridization of the carbon atoms is (are): (1) sp and sp3 (2) sp2 and sp (3) only sp2 (4) sp2 and sp3 English : 32 Set : 11 Ñ (°ÜèÙ) ×ð´ ·¤æÕüÙ ÂÚU×ææé (ÂÚU×ææé¥æð´) ·ð¤ â´·¤ÚUæ ·¤è çßçÏ ãæðÌè ãñ Ñ (1) sp ¥æñÚU sp3 (2) sp2 ¥æñÚU sp (3) ·ð¤ßÜ sp2 (4) sp2 ¥æñÚU sp3 C3H4 Hindi : 32 Set : 11 56. 57. acetaldehyde in the presence of H2SO4 ·¤è ©ÂçSÍçÌ ×ð ´ Üæð Ú Uæð Õ ñ $ Á èÙ ·¤è ÅþUæ§ÜæðÚUæð°ðçâÅU °ðçËÇUãæ§ÇU âð ¥çÖç·ý¤Øæ The major product formed is : ×ð´ ÕÙÙð ßæÜè Âý×é¹ Øæñç»·¤ ãñ Ñ (1) (1) (2) (2) (3) (3) (4) (4) Chlorobenzne reacts with trichloro 56. Tischenko reaction is a modification of : (1) Aldol condensation (2) Claisen condensation (3) Cannizzaro reaction (4) Pinacol-pinacolon reaction English : 33 Set : 11 57. H 2 SO 4 çÅUâ¿ñ·¤æð ¥çÖç·ý¤Øæ °·¤ ÕÎÜæ ãé¥æ M¤Â ãñ Ñ (1) °ðËÇUæðÜ â´æÙÙ ·¤æ (2) Üð$ÁÙ â´æÙÙ ·¤æ (3) ·ñ¤Ùè$ÁæÚUæð ¥çÖç·ý¤Øæ ·¤æ (4) çÂÙæ·¤æðÜ - çÂÙæ·¤æðÜæðÙ ¥çÖç·ý¤Øæ ·¤æ Hindi : 33 Set : 11 58. Which one of the following is used as 58. Antihistamine ? 59. (1) Omeprazole (2) Chloranphenicol (3) Diphenhydramine (4) Norethindrone Which one of the following statements is 59. çÙÙæð´ ×ð´ âð 緤⠰·¤ ·¤æð °ðÅUè çãSÅUæ×èÙ ·ð¤ M¤Â ×ð´ ÂýØæð» ·¤ÚUÌð ãñ´? (1) ¥æð×èÂýæ$ÁæðÜ (2) ÜæðÚðUÙ $Èñ¤çÙ·¤æðÜ (3) ÇUæ§Èñ¤Ùãæ§ÇþU°×èÙ (4) ÙæÚU°çÍÙÇþUæðÙ çÙÙ ·¤ÍÙæð´ ×ð´ âð ·¤æñÙ âæ âãè Ùãè´ ãñ? not correct ? (1) (1) °ðË·¤æðãæÜð´ ÂæÙè ·¤è ÌéÜÙæ ×ð´ ÎéÕüÜ ¥Ü ãñ´ (2) in the following order °ðË·¤æðãæÜæð´ ·¤è ¥Ü àæçÌ §â ·ý¤× ×ð´ æÅUÌè ÁæÌè ãñ - RCH2OH > R2CHOH > R3COH Carbon-oxygen bond length in RCH2OH > R2CHOH > R3COH ×ñÍðÙæÜ, CH3OH ×ð´ ·¤æÕüÙ - ¥æâèÁÙ Alcohols are weaker acids than water (2) (3) Acid strength of alcohols decreases (3) methanol, CH3OH is shorter than that of C2O bond length in phenol. (4) The bond angle in methanol (4) The gas liberated by the electrolysis of 60. Dipotassium succinate solution is : (1) Ethane (2) Ethyne (3) Ethene (4) Propene English : 34 ×ðÍðÙæÜ ×ð´ ¥æÕÏ ·¤æðæ 108.98 ãæðÌæ ãñÐ is 108.98 60. ¥æÕÏ ·¤è ÜÕæ§ü ç$ȤÙæÜ ×ð´ C2O ¥æÕÏ ·¤è ÜÕæ§ü âð ÀUæðÅUè ãæðÌè ãñÐ Set : 11 ÇUæ§ÂæðÅñUçàæØ× ââèÙðÅU ·ð¤ çßÜØÙ ·ð¤ ßñléÌ çßÖæÁÙ ×ð´ ÂýæÌ »ñâ ãæðÌè ãñ Ñ (1) §üÍðÙ (2) §üÍæ§Ù (3) §üÍèÙ (4) ÂýæðÂèÙ Hindi : 34 Set : 11 PART C MATHEMATICS 61. Let f be an odd function defined on the set 61. of real numbers such that for x/0, f(x)53 sin x14 cos x. Then f(x) at x 5 2 62. (1) 3 12 3 2 (2) 2 (3) 3 22 3 2 (4) 2 ÂçÚUÖæçáÌ ãñ Áãæ¡ 11p is equal to : 6 f(x) ÕÚUæÕÚU 3 12 3 2 3 22 3 2 If z1, z2 and z3, z4 are 2 pairs of complex 62. conjugate numbers, then z z arg 1 1 arg 2 equals : z4 z3 (1) 0 (2) p 2 (3) 3p 2 (4) p English : 35 Öæ» C »çæÌ ×æÙæ f °·¤ çßá× È¤ÜÙ ãñ Áæð ç·¤ ßæSÌçß·¤ â´Øæ¥æð´ ·ð¤ â×é¿Ø ÂÚU f(x)53 sin x14 cos x mæÚUæ x/0 x5 2 ãñ Ñ (1) 3 12 3 2 (2) 2 (3) 3 22 3 2 (4) 2 11p 6 ÂÚU 3 12 3 2 3 22 3 2 ØçÎ z1, z2 ÌÍæ z3, z4 âç×oý â´Øé×è â´Øæ¥æð´ ·ð¤ Îæð Øé× ãñ´, Ìæðz z arg 1 1 arg 2 z4 z3 Set : 11 ãñ, Ìæð (1) 0 (2) p 2 (3) 3p 2 (4) p Hindi : 35 ÕÚUæÕÚU ãñ Ñ Set : 11 63. 64. x 2 2 4 2 kx 1 2e 4 ln k2 1 5 0 for some k, and a21b2 5 66, then a31b3 is equal to : ·ð ¤ çÜ°, â×è·¤ÚUæ x 2 4 2 kx 1 2e 2 1 5 0 ·ð¤ ×êÜ ãñ´ ÌÍæ 2 2 3 a 1b 5 66, ãñ, Ìæð a 1b3 ÕÚUæÕÚU ãñ Ñ (1) 248 2 (1) 248 2 (2) 280 2 (2) 280 2 (3) 232 2 (3) 232 2 (4) 2280 2 (4) 2280 2 If a and b are roots of the equation, 63. 64. Let A be a 333 matrix such that 1 2 3 A 0 2 3 5 0 1 1 (2) 3 2 1 3 2 0 1 1 0 (3) 0 1 3 0 2 3 1 1 1 (4) 1 2 3 0 1 1 0 2 3 English : 36 ÌÍæ a b ç·¤âè Set : 11 k 4 ln k ×æÙæ A °·¤ °ðâæ 333 ¥æÃØêã ãñ ç·¤ A21 ãñ Then A21 is : (1) 2 1 2 3 A 0 2 3 5 0 1 1 0 0 1 1 0 0 0 1 0 3 1 2 3 0 2 1 0 1 ØçÎ 0 0 1 1 0 0 ãñ, Ìæð 0 1 0 Ñ (1) 3 1 2 3 0 2 1 0 1 (2) 3 2 1 3 2 0 1 1 0 (3) 0 1 3 0 2 3 1 1 1 (4) 1 2 3 0 1 1 0 2 3 Hindi : 36 Set : 11 65. Let for i51, 2, 3, pi(x) be a polynomial of 65. degree 2 in x, pi(x) and pi(x) be the first and second order derivatives of p i (x) respectively. Let, ×æÙæ i51, 2, 3,·ð¤ çÜ° pi(x), x ×ð´ ææÌ 2 ·ð¤ ÕãéÂÎ ãñ´, pi(x) ÌÍæ pi(x) ·ý¤×àæÑ ÂýÍ× ·¤æðçÅU ÌÍæ çmÌèØ ·¤æðçÅU ·ð¤ ¥ß·¤ÜÁ ãñ´Ð ×æÙæ p1 ( x ) p19 ( x ) p10 ( x ) A( x ) 5 p2 ( x ) p29 ( x ) p20 ( x ) p3 ( x ) p39 ( x ) p30 ( x ) p1 ( x ) p19 ( x ) p10 ( x ) A( x ) 5 p2 ( x ) p29 ( x ) p20 ( x ) p3 ( x ) p39 ( x ) p30 ( x ) and B(x) = [A(x)]T A(x). Then determinant ÌÍæ B(x) = [A(x)] T A(x) ãñ , Ìæð B(x) ·¤æ âæÚUçæ·¤ Ñ (1) x ×ð´ ææÌ 6 ·¤æ °·¤ ÕãéÂÎ ãñÐ (2) x ×ð´ ææÌ 3 ·¤æ °·¤ ÕãéÂÎ ãñÐ (3) x ×ð´ ææÌ 2 ·¤æ °·¤ ÕãéÂÎ ãñÐ (4) x ÂÚU çÙÖüÚU Ùãè´ ·¤ÚUÌæÐ 0 âð 9 Ì·¤ ·ð¤ ¥´·¤æð´ ·ð¤ ÂýØæð» âð, ¥´·¤æð´ ·¤æð ÎæðãÚUæ° çÕÙæ, °·¤ 9 âð ÖæØ, ¥æÆU ¥´·¤æð´ ·¤è â´Øæ ÕÙæÙè ãñÐ Øã çÁÌÙð ÌÚUè·¤æð´ âð ç·¤Øæ Áæ â·¤Ìæ ãñ, ßð ãñ´ Ñ of B(x) : 66. (1) is a polynomial of degree 6 in x. (2) is a polynomial of degree 3 in x. (3) is a polynomial of degree 2 in x. (4) does not depend on x. An eight digit number divisible by 9 is to 66. be formed using digits from 0 to 9 without repeating the digits. The number of ways in which this can be done is : (1) 72 (7!) (1) 72 (7!) (2) 18 (7!) (2) 18 (7!) (3) 40 (7!) (3) 40 (7!) (4) 36 (7!) (4) 36 (7!) English : 37 Set : 11 Hindi : 37 Set : 11 67. The coefficient of x 50 in the binomial 67. (11x) 1000 1 x(11x) 999 1x 2 (11x) 998 1 expansion of ......1x1000 (11x) 1000 1 x(11x) 999 1x 2 (11x) 998 1 ·ð¤ çmÂÎ ÂýâæÚU ×ð´ x50 ·¤æ »éææ¡·¤ ãñ Ñ ......1x1000 is : 68. (1) (1000) ! (50) ! (950) ! (1) (1000) ! (50) ! (950) ! (2) (1000) ! (49) ! (951) ! (2) (1000) ! (49) ! (951) ! (3) (1001) ! (51) ! (950) ! (3) (1001) ! (51) ! (950) ! (4) (1001) ! (50) ! (951) ! (4) (1001) ! (50) ! (951) ! In a geometric progression, if the ratio of 68. the sum of first 5 terms to the sum of their reciprocals is 49, and the sum of the first and the third term is 35. Then the first term °·¤ »éææðæÚU oýðɸè ×ð´ ØçÎ ÂãÜð 5 ÂÎæð´ ·ð¤ Øæð» ·¤æ ©Ù·ð¤ ÃØé·ý¤×æð´ ·ð¤ Øæð» âð ¥ÙéÂæ̤ 49 ãñ ÌÍæ §â·ð¤ ÂãÜð ÌÍæ ÌèâÚðU ÂÎæð´ ·¤æ Øæð»U 35 ãñ, Ìæð §â »éææðæÚU oýðÉ¸è ·¤æ ÂýÍ× ÂÎ ãñ Ñ of this geometric progression is : (1) 7 (1) 7 (2) 21 (2) 21 (3) 28 (3) 28 (4) 42 (4) 42 English : 38 Set : 11 Hindi : 38 Set : 11 69. 70. The sum of the first 20 terms common 69. oýðçæØæð´U between the series 3171111151..... and 1161111161..... , 1161111161..... , is : 20 (1) 4000 (1) 4000 (2) 4020 (2) 4020 (3) 4200 (3) 4200 (4) 4220 (4) 4220 If lim 70. tan ( x 2 2 ){x 2 1 (k22)x 2 2k} x 2 2 4x 1 4 x →2 71. 55 , ÂÎæð´ ·¤æ Øæð» ãñ Ñ ØçÎ lim tan ( x 2 2 ){x 2 1 (k22)x 2 2k} x 2 2 4x 1 4 x →2 then k is equal to : ãñ, Ìæð k ÕÚUæÕÚU (1) 0 (1) 0 (2) 1 (2) 1 (3) 2 (3) 2 (4) 3 (4) 3 Let f(x)5x?x?, g(x) = sin x and 71. ×æÙæ f(x)5x?x?, h(x) 5(gof ) (x) ãñ, (1) h(x) is not differentiable at x50. (1) (2) h(x) is differentiable at x50, but (2) (3) is not continuous at x50. h(x) is continuous at x50 but it is (3) not differentiable at x50. (4) h(x) is differentiable at x50. English : 39 Set : 11 (4) 55 ãñ Ñ h(x) 5(gof )(x). Then h(x) ÌÍæU ·ð¤ Õè¿ ©ÖØçÙcÆU ÂýÍ× 3171111151..... g(x) = sin x ÌÍæ Ìæð h(x), x50 ÂÚU ¥ß·¤ÜÙèØ Ùãè´ ãñÐ h(x), x50 ÂÚU ¥ß·¤ÜÙèØ ãñ ÂÚUÌé h(x), x50 ÂÚU âÌÌ Ùãè´ ãñÐ h(x), x50 ÂÚU âÌÌ ãñ, ÂÚUÌé Øã x50 ÂÚU ¥ß·¤ÜÙèØ Ùãè´ ãñÐ h(x), x50 ÂÚU ¥ß·¤ÜÙèØ ãñÐ Hindi : 39 Set : 11 72. For the curve y = 3 sin u cos u, x5eu sin u, 72. 0 [ u [ p, the tangent is parallel to x-axis when u is : 73. (1) 3p (2) p (3) p (4) p ß·ý ¤ y = 3 sin u cos u, x5e u sin u, 0 [ u [ p, ·ð¤ çÜ° SÂàæüÚðU¹æ x- ¥ÿæ ·ð¤ â×æ´ÌÚU ãñ, ÁÕ u ÕÚUæÕÚU ãñ Ñ (1) 3p 2 (2) p 4 (3) p 6 (4) p 4 Two ships A and B are sailing straight 73. away from a fixed point O along routes such that ÐAOB is always 1208. At a certain instance, OA = 8 km, OB = 6 km and the ship A is sailing at the rate of 20 km/hr while the ship B sailing at the rate of 30 km/hr. Then the distance 4 2 4 6 Îæð Áãæ$Á A ÌÍæ B, °·¤ çÙçà¿Ì çÕ´Îé O âð ÎêÚU âèÏð ×æ»æðZ ÂÚU §â Âý·¤æÚU Áæ ÚUãð ãñ´ ç·¤ ÐAOB âÎæ 1208 ÚU ã Ìæ ãñ Ð ç·¤âè ÿææ, OA = 8 ç·¤×è ÌÍæ OB = 6 ç·¤×è ãñ ÌÍæ Áãæ$Á A, 20 ç·¤×è/æ´ÅUæ ·¤è ¿æÜ âð ¿Ü ÚUãæ ãñ ÁÕç·¤ Áãæ$Á B, 30 ç·¤×è/æ´ÅUæ ·¤è ¿æÜ âð ¿Ü ÚUãæ ãñ, Ìæð A ÌÍæ B ·ð¤ Õè¿ ·¤è ÎêÚUè çÁâ ÎÚU (ç·¤×è/æ´ÅUæ ×ð´) âð ÕÎÜ ÚUãè ãñ, ßã ãñ Ñ between A and B is changing at the rate (in km/hr) : (1) 260 (2) 260 37 (3) 80 (4) 80 37 English : 40 37 37 Set : 11 (1) 260 (2) 260 37 (3) 80 (4) 80 37 Hindi : 40 37 37 Set : 11 74. The volume of the largest possible right 74. circular cylinder that can be inscribed in a çæØæ 3 ßæÜð »æðÜð ·ð¤ ¥´Ì»üÌ, ÕǸð âð ÕǸð Ü´Õ ßëæèØ ÕðÜÙ ·¤æ ¥æØÌÙ ãñ Ñ sphere of radius5 3 is : 75. (1) 4 3 p 3 (1) 4 3 p 3 (2) 8 3 p 3 (2) 8 3 p 3 (3) 4p (3) 4p (4) 2p (4) 2p The integral 2 21 1 2 x x cos dx (x > 0) 75. ∫ 1 1 x2 dx , (x > 0) ÕÚUæÕÚU ãñ Ñ is equal to : (1) 2 x1(11x2) tan21 x1c (1) 2 x1(11x2) tan21 x1c (2) x2 (11x2) cot21 x1c (2) x2 (11x2) cot21 x1c (3) 2 x1(11x2) cot21 x1c (3) 2 x1(11x2) cot21 x1c (4) x2 (11x2) tan21 x1c (4) x2 (11x2) tan21 x1c e 76. 2 â×æ·¤Ü ∫ x cos21 1 2 x 2 11x n If for n/1, Pn 5 ∫ (log x ) d x , then 76. ØçÎ P10290P8 is equal to : P10290P8 ÕÚUæÕÚU (1) 29 (1) 29 (2) 10e (2) 10e (3) 29e (3) 29e (4) 10 (4) 10 n/1 ·ð¤ çÜ°, 1 English : 41 Set : 11 e Pn 5 ∫ (log x )n d x ãñ, Ìæð 1 Hindi : 41 ãñ Ñ Set : 11 77. If the general solution of the differential 77. equation y9 5 function F, x y 1 F , x y is for some given by ØçÎ ç·¤âè ȤÜÙ y9 5 F ·ð¤ çÜ° ¥ß·¤Ü â×è·¤ÚUæ x y 1 F , ·¤æ x y ÃØæ·¤ ãÜ y ln ?cx?5x, mæÚUæ ÂýÎæ ãñ, Áãæ¡ c °·¤ SßðÀU ¥¿ÚU ãñ, Ìæð ÕÚUæÕÚU ãñ Ñ y ln ?cx?5x, where c is an arbitrary F(2) constant, then F (2) is equal to : 78. (1) 4 (1) 4 (2) 1 4 (2) 1 4 (3) 24 (3) 24 (4) 2 (4) 2 1 4 A stair-case of length l rests against a 78. vertical wall and a floor of a room,. Let P be a point on the stair-case, nearer to its end on the wall, that divides its length in the ratio 1 : 2. If the stair-case begins to slide on the floor, then the locus of P is : (1) an ellipse of eccentricity (2) an ellipse of eccentricity (3) a circle of radius (4) a circle of radius English : 42 1 2 3 2 l 2 3 l 2 Set : 11 1 4 Ü´Õæ§ü l ·¤è °·¤ âèÉ¸è °·¤ ©ßæüÏÚU ÎèßæÚU ÌÍæ ·¤×ÚðU ·ð¤ Ȥàæü ·ð¤ âæÍ ¹Ç¸è ãñÐ ×æÙæ §â âèɸè ÂÚU °·¤ çÕ´Îé P, Áæð §â·ð¤ ÎèßæÚU ·ð¤ âæÍ Ü»Ùð ßæÜð çâÚðU ·ð¤ çÙ·¤ÅU ãñ, §â Âý·¤æÚU ãñ ç·¤ Øã âèÉ¸è ·¤è Ü´Õæ§ü ·¤æð 1 : 2 ·ð¤ ¥ÙéÂæÌ ×ð´ Õæ´ÅUÌæ ãñÐ ØçÎ âèɸè Ȥàæü ÂÚU âÚU·¤Ùð Ü»Ìè ãñ, Ìæð P ·¤æ çÕ´Îé ÂÍ ãñ Ñ 1 ßæÜæ 2 (1) ©·ð´¤ÎýÌæ (2) ©·ð´¤ÎýÌæ (3) çæØæ l ßæÜæ 2 (4) çæØæ 3 l 2 Hindi : 42 °·¤ ÎèæüßëÌÐ 3 ßæÜæ 2 °·¤ ÎèæüßëÌ °·¤ ßëÌÐ ßæÜæ °·¤ ßëÌÐ Set : 11 79. The base of an equilateral triangle is along 79. the line given by 3x14y = 9. If a vertex of the triangle is (1, 2), then the length of a °·¤ â×Õæãé çæÖéÁ ·¤æ ¥æÏæÚU ÚðU¹æ 3x14y = 9 ·ð¤ ¥ÙéçÎàæ ãñÐ ØçÎ çæÖéÁ ·¤æ °·¤ àæèáü (1, 2) ãñ Ìæð çæÖéÁ ·¤è °·¤ ÖéÁæ ·¤è Ü´Õæ§ü ãñ Ñ side of the triangle is : 80. (1) 2 3 15 (1) 2 3 15 (2) 4 3 15 (2) 4 3 15 (3) 4 3 5 (3) 4 3 5 (4) 2 3 5 (4) 2 3 5 The set of all real values of l for which 80. exactly two common tangents can be drawn to the circles x21y224x24y1650 and x21y2210x210y1l50 is the interval : (1) (12, 32) (2) (18, 42) (3) (12, 24) (4) (18, 48) English : 43 Set : 11 l ·ð¤ âÖè ßæSÌçß·¤ ×æÙæð´ ·¤æ â×é¿Ø, çÁÙ·ð¤ çÜ° ßëææð´ x21y224x24y1650 ÌÍæ x 2 1y 2 210x210y1l50 ÂÚU ÆUè·¤ Îæð ©ÖØçÙcÆU SÂàæüÚðU¹æ°¡ ¹è´¿è Áæ â·¤Ìè ãæð´, ·¤æ Áæð ¥´ÌÚUæÜ ãñ, ßã ãñ Ñ (1) (12, 32) (2) (18, 42) (3) (12, 24) (4) (18, 48) Hindi : 43 Set : 11 81. Let L1 be the length of the common chord 81. of the curves x21y259 and y258x, and L2 be the length of the latus rectum of y258x, then : 82. ×æÙæ L1, ß·ý ¤ æð ´ x21y259 ÌÍæ y258x, ·¤è ©ÖØçÙcÆU Áèßæ ·¤è Ü´Õæ§ü ãñ, ÌÍæ L2, y258x ·ð¤ ÙæçÖÜ´Õ ·¤è Ü´Õæ§ü ãñ, Ìæð Ñ (1) L1 > L 2 (1) L1 > L2 (2) L15L2 (2) L15L2 (3) L1 < L 2 (3) L1 < L2 (4) L1 5 2 L2 (4) L1 5 2 L2 Let P (3 sec u, 2 tan u) and p , be 2 two distinct points on the hyperbola Q (3 sec f, 2 tan f) where u 1 f 5 2 2 y x 2 5 1 . Then the ordinate of the 9 4 point of intersection of the normals at P 82. ×æÙæ ¥çÌÂÚUßÜØ y2 x2 2 5 1 ÂÚU 9 4 Îæð çÖóæ çÕ´Îé P (3 sec u, 2 tan u) ÌÍæ Q (3 sec f, 2 tan f) ãñ´, Áãæ¡ u1f 5 p 2 ãñ, Ìæð P ÌÍæ Q ÂÚU ¹è´¿ð »° ¥çÖÜ´Õæð´ ·ð¤ ÂýçÌÀðUÎÙ çÕ´Îé ·¤è ·¤æðçÅU ãñ Ñ (ordinate) and Q is : (1) 11 3 (2) 2 (3) 13 2 (4) 2 English : 44 11 3 13 2 Set : 11 (1) 11 3 (2) 2 (3) 13 2 (4) 2 Hindi : 44 11 3 13 2 Set : 11 83. ×æÙæ A (2, 3, 5), B (21, 3, 2) the coordinate axes, then : ÌÍæ C (l, 5, m) °·¤ çæÖéÁ ABC ·ð¤ àæèáü ãñ´Ð ØçÎ A âð ãæð·¤ÚU ÁæÙð ßæÜè ×æçØ·¤æ, çÙÎðüàææ´·¤ ¥ÿææð´ ÂÚU â×æÙ ·¤æðæ ÕÙæÌè ãñ, Ìæð Ñ (1) 5l28m50 (1) 5l28m50 (2) 8l25m50 (2) 8l25m50 (3) 10l27m50 (3) 10l27m50 (4) 7l210m50 (4) 7l210m50 Úð U ¹ æ y 22 x 21 z 23 5 5 1 2 3 Let A (2, 3, 5), B (21, 3, 2) and 83. C (l, 5, m) be the vertices of a DABC. If the median through A is equally inclined to 84. The plane containing the line y 22 x 21 z 23 and parallel to 5 5 1 2 3 85. 84. ·¤ÚUÙð ßæÜæ ÌÍæ ÚðU¹æ y x z 5 5 1 1 4 ·ð¤ â×æ´ÌÚU â×ÌÜ, y x z 5 5 passes through the the line 1 1 4 point : çÁâ çÕ´Îé âð ãæð·¤ÚU ÁæÌæ ãñ, ßã ãñ Ñ (1) (1,22, 5) (1) (1,22, 5) (2) (1, 0, 5) (2) (1, 0, 5) (3) (0, 3,25) (3) (0, 3,25) (4) (21,23, 0) (4) (21,23, 0) → 2 If ? c ? 5 60 and → → ∧ ∧ ∧ → c 3( i12 j15 k )50 ∧ ∧ , 85. ∧ ØçÎ → ? c ?2 5 60 → ∧ then a value of c . (2 7 i 1 2 j 1 3 k ) is : Ìæð (1) 4 2 (1) 4 2 (2) 12 (2) 12 (3) 24 (3) 24 (4) 12 2 (4) 12 2 English : 45 Set : 11 → ÌÍæ ∧ ∧ ∧ → c 3( i12 j15 k )50 , ∧ ∧ c . (2 7 i 1 2 j 1 3 k ) Hindi : 45 ·¤æð ¥Ìçßü c ÅU ãñ, ·¤æ °·¤ ×æÙ ãñ Ñ Set : 11 86. A set S contains 7 elements. A non-empty 86. subset A of S and an element x of S are chosen at random. Then the probability °·¤ â×éæØ S ×ð´ 7 ¥ßØß ãñ´Ð S ·¤æ °·¤ ¥çÚUæ ©Ââ×éæØ A ÌÍæ S ·¤æ °·¤ ¥ßØß x , ØæÎëÀUØæ ¿éÙð »° , Ìæð xÎA ·¤è ÂýæçØ·¤Ìæ ãñ Ñ that xÎA is : 87. (1) 1 2 (1) 1 2 (2) 64 127 (2) 64 127 (3) 63 128 (3) 63 128 (4) 31 128 (4) 31 128 If X has a binomial distribution, B(n, p) 87. with parameters n and p such that P(X52)5P(X53), then E(X), the mean of ØçÎ X ·¤æ °ð â æ çmÂÎ Õ´ Å UÙ, B(n, p) ãñ , Áãæ¡ n, p §â·ð¤ Âýæ¿Ü ãñ´, ¥æñÚU P(X52)5P(X53) ãñ, Ìæð ¿ÚU X ·¤æ ×æØ E(X) ãñ Ñ variable X, is : (1) 22p (1) 22p (2) 32p (2) 32p (3) (4) p p 2 (3) 3 (4) English : 46 Set : 11 p p Hindi : 46 2 3 Set : 11 88. p If 2 cos u1sin u51 u ≠ 2 , 88. (1) 1 2 (1) 1 2 (2) 2 (2) 2 (3) 11 2 (3) 11 2 (4) 46 5 (4) 46 5 The angle of elevation of the top of a 89. vertical tower from a point P on the horizontal ground was observed to be a. After moving a distance 2 metres from P p 2 cos u1sin u51 u ≠ 2 7 cos u16 sin u ÕÚUæÕÚU then 7 cos u16 sin u is equal to : 89. ØçÎ ãñ , Ìæð ãñ Ñ â×ÌÜ Öêç× ÂÚU °·¤ çÕ´Îé P âð °·¤ ª¤ßæüÏÚU ×èÙæÚU ·ð¤ çàæ¹ÚU ·¤æ ©ÙØÙ ·¤æðæ a ÂæØæ »ØæÐ P âð ×èÙæÚU ·ð¤ ÂæÎ ·¤è ¥æðÚU 2 ×è. ÁæÙð ÂÚU, ©ÙØÙ ·¤æðæ ÕÎÜ ·¤ÚU b ãæð ÁæÌæ ãñ, Ìæð (×è.×ð´) ×èÙæÚU ·¤è ª¡¤¿æ§ü ãñ Ñ towards the foot of the tower, the angle of elevation changes to b. Then the height (in metres) of the tower is : (1) 2 sin a sin b sin (b2a ) (1) 2 sin a sin b sin (b2a ) (2) sin a sin b cos (b2a ) (2) sin a sin b cos (b2a ) (3) 2 sin (b2a ) sin a sin b (3) 2 sin (b2a ) sin a sin b (4) cos (b2a ) sin a sin b (4) cos (b2a ) sin a sin b English : 47 Set : 11 Hindi : 47 Set : 11 90. is logically equivalent to : âæØ ~(pÚ~q)Ú~(pÚq) Ìæç·ü¤·¤ M¤Â ×ð´ çÁâ·ð¤ ÌéËØ ãñ, ßã ãñ Ñ (1) p (1) p (2) q (2) q (3) ~p ~q (3) ~p ~q The (4) proposition ~ (pÚ ~ q)Ú ~ (pÚq) 90. (4) -o0o- English : 48 -o0o- Set : 11 Hindi : 48 Set : 11