Test 4 6. the conduction current is the same as displacement current when source is. izokgdRo /kkjk]tc lzksr gS] rks foLFkkiu /kkjk ds leku gS A. only AC B. only DC C. Both A and B D. not 7. The velocity of light depends on izdk”k dk osx fuHkZj djrk gSA a) electric properties of the medium ek/;e ds fo|qr xq.k (b) magnetic properties of the medium Ekk/;e ds pqEcdh; xq.k (c) Both (a) and (b) (d) not 10. Atomic number of cupper. A. 20 B. 29 C. 24 D. 19 21. Article 52 is related to. A. PM B. President C. CJI D. Lok sabha 25. Energy of an atom is least when electron revolves in an orbit which is.` ,d ijek.kq dh mtkZ de ls de arc gksrh gS tc bysDVZkWau ,d dS{k es ?kqerk gSA A. vius ukfHkd ls utnhd/closest to its nucleus B. vius ukfHkd ls lcls nqj/ farthest from its nucleus C. v.Mkdkj vkd`fr/ elliptical shape4 D. xksykdkj/circular in shape2 26. lcls de LFkf;Ro okyk d.k gSA Least stable particle is. A. Electron B. Proton C. Neutron D. meson 28. jkbuksLdksi(Rhinoscope) ls ekuo “kfjj dk dkSu lh vax dh tkap dh tkrh gSA A. Nose B. Eyes C. Brain D. Hair 30. Which one does not belong to the category of metallic minerals? fuEu es ls dkSu /rkfod [kfut ls lacf/kr ugh gSA A. Coal B. Nickel C. Bauxite D. Tin 37. which group contain non reactive gasses? fdl leqg es xSj izfrfdz;kf”ky xSl gksrh gS\ A. 12 B. 16 C. 17 D. 18 44. The lightest element hydrogen has A. only one isotope B. two isotopes C. three isotope D. four isotope lcls gYdk rRo gkbMzkstu gS A. dsoy ,d vkblksVksi B. nks leLFkkfud C. rhu leLFkkfud D. pkj leLFkkfud 45. Heavy water is used in a nuclear reactor to A. absorb the neutrons B. slow down the neutrons C. act as coolant D. None ijek.kq fj,DVj es Hkkjh ikuh dk mi;ksx fd;k tkrk gSA A. U;qVzku dks vo”kksf”kr djus ds fy, B. U;qVzu dks /khek djus ds fy, C. “khryd ds :Ik es dk;Z djrh gS D. bues ls dksb ugh E. 46. iz;% /kukosf”kr rRoks dh la;kstksdrk gksrh gS Generally valency of Positive charge is A. 0, 1, 2 B. 4, 3, 2 C. 2, 1, 0 D. 1, 2, 3 B. 47. J[kayk esa tqM+h rhu 20-Ώ dkbYl dk dqy izfrjks/k fdruk gksxk \ A. 40 Ώ B. 20 Ώ C. 60 Ώ D. 800 Ώ 48. ftl fcanq ij lHkh fdj.ks] feyrh gS] dks D;k dgk tkrk gSA A. ,ipZj B. Qksdksl C. iksy D. eq[; /kqjh 49. 100 W ds ,d bysfDVzd cYc dk iz;ksx] izfrfnu 8 ?kaVk fd;k tkrk gSA ,d fnu es cYc }jk fdruh ;qfuV mtkZ dk iz;qDr fd;k\ A. 80 B. 800 C. 0.8 D. 8 50. iyklh ;q| d yM+k x;k Fkk\ A. 23 jan 1857 B. 23 jun 1757 C. 12 dec 1912 D. not 51. tc cy dh fn”kk es 10 m dh nqjh ij 10 N cy ds rgr ,d oLrq LFkkuakrfjr gksrh gS] rks dk;Z dh ek=k D;k gksrh gS\ What is the amount of work done when an object moves under 10N force at a distance of 10 m in the direction of force? A. 1 J B. 10 J C. 100 J D. 0.01 J 54. ,d rRo dk bysDVzWkfud foU;kl 1s2 2s2 2p6 3s2 3p3 gSA vkorZ lkj.kh es mDr rRo ds Bhd uhps rRo dh ijek.kq la[;k D;k gksxh] Electronic configuration of a element is 1s2 2s2 2p6 3s2 3p3. What is the atomic number of the element just below element in the periodic table. A. 33 B. 44 C. 39 D. 31