REFRACTION OF LIGHT) lckatus lepratin 2lutatustte causeg RElRACION OE LLG47 Repatim iaugahangeuin theuspeed a2a)sAouwpkatingLigeuttksgaaglass slas cShou latenol lisplaement A Crar)Inident ray B LA-2 fN'NORmAL Rypated Ray D qlass (acnsv) arng ABD INTERFACEY Datre csplaement 3 llhatuslanot dolaumant2 nwas cusplacn dnglagnidnu. zsnaltsntujaugtustAanspaa plare wnidcnc, Dlltnsan msuas Snel'S Sósolute RI, =2=C-3XI0 mfss V V RI. Relatice RI 221 VI V2 SUn V a2 2.42 )cntkssLLCCUuatuxe a) Piaeioal avs s)gaeéere A )0PTnCAL CENTRE- hcenthalypntya le 2)CEN TRESOE CURVATURE- L ans sihua spheical buyacas. achgutiese &lapu thse sphuss ar Called CENTRES OE CURVATURE Gtthe Lns. ) PRINCLPAL Sbeaight AxIS-Lbaumaginany lnpassng thuoagh QsntLsg 4) RADIUS OF s) CURVATURE-tus the istoma The ypckúu APERATUREdiametr yith caulas Bublanc g2&ptriol lensus calted uk dpexlxe 6) PRINCIPAL FOCUS OF CONCAVE acinjoal avis ara yaling on a toncaue lers. L4gocaning Lto'diungapomaypsinkon eetcypunjpal avis.hispont onpuinjpat Lb)PRINCIPAL FOCUs OE CON VEX LENS -Setalas lighyoaraeltothe ypinioal aus ae baypsnt onthepnipalavis hus point ntte pinioalaui uiLcOLled the psinijpe yous yithe Lns )he clistamugprinjoatysws yAomutu CON VEX LENS Junging action y, CoNCAELENS 2F Fi Posikis-) 0tEa Size- pont bized Watuu Rual4 wanyintza 2F2 F ojectBysnaC A Natur i Keal4inuetéea Sizciaauaised Wakeute- Real4 inuaxtes Size- &ame Sized A C B EF Sczu- Erlarged A A BI F Size- ighy Lnlanged F 6 39 arau tay iageams F A9 tnoge- ME, Aiza-bughy dimiaisiy Roné Cens maçe-Dimiaiskes lestual4 Ekeck A' A-10VE-10 cmm, ys-15 cmyu? -3+ 2 30 -3o =-30.cmm E0.33 -30 20mball --11 V t=-2t3 30=mageå yomedota dat 30 gpticalnu mage &cal A'(2o)30/1s) =-4.0 cme amdumutea inextea ana keal.Gus ysmed beloe yaxeinoalauis ha, akeal4iuuntod inap Yom tal cs, ytmead at aeB0 mGn shar sLde A-l2he5cm, f 20cm, uE-30 cam V= 60cm 60 wnertec ) m=yhl (-30)5 dau the ceay ciagtam. CPOSITI ON) 3a-1Scon, Va-l0 om g-3+2 -S) -10) 30 30. cml, amd uitual m1 henu umage us aumiaishcd 15 cin B 30 cm 2) Per = 4 S15 2 1 =1 NCERT QUES A-i&NPasiion shsldbe atRE Ance the kinage is eat 6amme sczed atadistanu 50.cm. V=2=50cm f 6.25 y 50 = 25 P=l= 1 =-0.5 D 4-2 2 Scm 0.2Sm