PHYS 112 Lecture 25: Part 3 (Optics)
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A f a case5 f e t image space object space a a. Ieee realinverted ricsamesize pump man case6 instant larger a cagey r. Mint 9g eco diverging do di zt obj inobjspace f obj inimspace im in im space upright im in objspace inverted. Liens in ordertofocus the nearpointis 25cm to focuscomfortably the far pointis as. Farington at o itisnt fresnelllens microscopeshave 2lens theobjectivelensandtheeyepiecelens am"ignieigese objectivelens neyepiece great imageinimagespace f. Fz twolenscombinationsobetween the finalimage must belargerand virtual projector magnifier. I n image"formedates largerobjectivelenstocollectmovelight eypiece. is much smallerso theeye can see it thefocalpointsoverlap basedonenergyperspectivetogathermorelightbasedonlargeraperture theimageformedbythetelescopesubtendsalargerangleattheeyethantheobjectdoes paralletraysin parallelrays out projector camera inopposite ikur98atefnfysabkt. tt usbetetafi"muggings dorgeyntagganeenienagitoingsertooureye thenasyoumoveclosertheimagebecomesblurry aconverginglensproducesavirtualimageat andclearlyfocusonthatimagetoproduceasharpimage afocaliasystemwiofocus n nearpoint produces nonetconvergence reflectingtelescope focusin refractingtelescopeuse mirrorsffiectiight. Lecture04062022 rayoptics lightisaparticlemovingalongstraightline waveopticslightisawaverepresentedbywavefront thedistancebetweenanytwosuccessivecorrespondingpoints on the wave thedistancefromtheequilibriumly olavectorandavariable themaxdisplacementalwayspositive the ofvibrationspersecondatfixedpointinspace ft thetimetakentocompleteonefull oscillation directionofvibration ofefieldt tothe zerotime propagationdirection wavelength a displacement amplitude a frequency f period t polarization phaseof. Huygensprinciplewaveoptics allpointsserveaspointsourcesfornewwaves thenewsphericalwavesmove w the samespeedandfrequencyas the initial.
