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wa Ray optic OPTICS Wr is tne fonanelry of physies conic Aeaas wii Whe sey OF NOAA» PLOCIUCHIONY arch Propagation OF viqnt. if is Aendect iq two Man witancKos —> 7 Ray oprics 1. wave optics te Raw epiles t- RU OLUCS @ iF CONCATNS Ikceig with the paruTae MaseErLE OF Mgr ANA 1s naceci OY Ci) the reerttineat Prtapig ca ior ox vant GY Ane laws Of REHacHon ancl RaCAciON OF Night et explaans ine Formation oF IMAges WN HAWETOIES ane lenses , The AHernarione Of OPcay images ANd TNE cOOMKING, and dlasiqnung, Of OPTIcaAY INSHAMOENKS, lis Wane opricge NAMDRRN OOF ‘ Ty concerns Heck eoien the Cave Matuene of lignr ano is based, ON *hE Phenomena ike Ch) nnercsorrence OF Night Ci) Di eeRAGHON, EF LIqQ*- QW) potariaation of git INSITE PEALE RIT Bahaviowst of Light ar the NNN PPI ee LOW a when tiqnr AMavening, in one wnodteem i i | of Medium fang OM the Sureace incitentaay as i ‘ EOHOWING Vcond medium 1 the £ al Rovlocs ect ney Thee ettects mat Occert Nee Yo “ s ~ ae \ '. A pany Of the medent vent is 7 Tunnel ack into the acer median . EAN This is canecl metiection of ign’ >» nerleing \ B » / Seeretar “A j i. A pant Of “the incident tignt fc fine mA —f 1 jtmectiem2 + 3 y Trancmigec| M0 “Ane seconel Mectieun | XK ong, A changecs autection - Tis fC Retact eet q on, q CAogl nescaction of Hah: tl, THe Remaining tnind part oF light ehergy i$ abcorthodf by ne Second meciium. this is cate abconption ef HOT » Nx | | REFLECTION. OF LIMHT | Mn wn wn rw ? oe nedene Refiection of 441 isthe phenomena in ewnich hho sia ut . OM surface» i Pantiy goes back: pouty abconbod ey ¢ remaining pant fs inmanemi ved inno ugh INC SUKIQAIE o Lausot Retlection * Noma Nn enn ‘ , mnuceni nay \ tl The ANGIE OF ietclence fc eqLta| +0 Angie OF nefiection ke Lézan , MLO fec4ed} Naty o : Ul ar ") Tho intrejent Ray, netlectod nag Gnel Nermay as tie tn same Seema Plane. SPHERICAL MIRRORC One NVA The portion of a herlecting SUMFACE, ewhICh foreme Part of a PHONE, Te Canloc} @ ephenicas muruton» The spherical mmnnons' ane’ of #00 types be Concave Spherrcat muutore INDRA AANA A Spherical minnoil, tohoce netiecring cuntece is towana¢ the 7 ve Sphanrcop Cenine Of Sphere, Of Which MmuUOH fOIKMS @ part, is called Conca @ Spi MITUTOIC 06. PRINC PIO FOCLLE %- ON eee 4 nananow beam of Wont Partaio) 10 tre PIINCIPAL Axic efthen actually convanges tO on appeanc to MVErQe EIOMeProNt F on the Principia axig atten Keflection from the Spherical MIUTO . Thc POInd i¢ catlec| Pruncrpast focus Of The MRM. Real focus / @) Convex minor OF, Focal length (f):- ft te the ofcrance between fours Point and Pole Of The mano ° * 4 Ine, Jotem any point. ef ihe sphenicay, minsmon. to Ft Cenine Of UULVAIUIe, wilt be Neremas to the mrrcon at Hat point, | ° concave minnon Hee meat foes ewhiio convex minaon hag vieres fore , e Acconcing 10 SIGN conventrong , foca} length and Kadiug OF cunvatcuce | ane NegetiNe FOIL CONCAMO Mrioit and Pocitive FO convex MIHULONe r t i ES fo New caruesian siqn convertion, Fort SeNericat AOUTLOIES to YIN IRR RRR RRR MVealore, Refqinics X, UPUWaNAas-4Vve » ier} WWevotent light on lett $$ 0.008, n 4 ve Pistance again Je. 5 f 7 Meicend ight Distance ation Hefqnt¢ Inerdent light lewn toad 3 -ve ) ny AN Aistancos ane measured ftom the Pole of WO MIMILOL FA» A clisiances are mMeasturted in ind’ dineciion OF mMeidant Light Ale TAKEN ag PoOctiive. OM AN cistanees ae meactned, opposire: to the ancideny Warm Ue TAKEN aL Negetive. , Ol. OMe UP weds Heights ane taKen ax Positive cLAE Poconworte| heiqnts GLE TAKEN ag Naqerive. R) > meAeRCO RENEE focal Leng Gf) anet Rating oF curevnsere 8) me aay : het ws considden a cencayea MUOIL of smal} apeatute, Tf a may of light : OA tlovelling Paralle! to the pruncplo OxIC Falle on Tha MIMO, then aFrton Reflection » it Wil] Pass Through Itt FocLeE F. since the Nnne CA Is Menmas 10 ihe concave miruwil &t Whe Point A, AORC = KAAC =O (say) —> By Law oF ot iaction Now, Lpca =
