W9_parallel_resonance.eps
Week 12: Lenses and Mirrors 399 α β θ δ Figure 159:α+θ=β. easily see thatα+θ+δ=π. But we canalsosee thatδ+β=π. Therefore: α+θ=β ...
400 Week 12: Lenses and Mirrors However, this is not necessarily easier to use for the purposes of computation, as one still (ul ...
Week 12: Lenses and Mirrors 401 1 3 2 object image s s’ f Figure 160: Converging mirror withs= 25> f= 10. α y’ α y s’ s Figur ...
402 Week 12: Lenses and Mirrors 3 f 1 2 s’ s image object Figure 162: Converging mirror with 2f= 20> s= 15> f= 10. object ...
Week 12: Lenses and Mirrors 403 s′=− 6 .7 cm. The magnification ism=−(− 6 .67)/20 = 0.33. The image is erect, virtual, and small ...
404 Week 12: Lenses and Mirrors or n 1 α+n 2 γ= (n 2 −n 1 )β (991) We substitute in the small angle formulas and cancellto get: ...
Week 12: Lenses and Mirrors 405 1 3 2 f s s’ Figure 167: A converging lens with focal length of 10 cm and an object ats= 30 cm. ...
406 Week 12: Lenses and Mirrors Figure 169: A simplified anatomical diagram of the human eye. Optic Nerve:which pipes all of th ...
Week 12: Lenses and Mirrors 407 objects (at “infinity” compared to the size of the eye) are automatically in focus (as a real im ...
408 Week 12: Lenses and Mirrors 12.6: Optical Instruments The Simple Magnifier The “size” of an object to the human eye is deter ...
Week 12: Lenses and Mirrors 409 Telescope α Figure 172: An regular (inverting) telescope. A telescope is an optical instrument u ...
410 Week 12: Lenses and Mirrors This image (virtual object) is “infinitely” smaller than the original object but it has the adva ...
Week 12: Lenses and Mirrors 411 magnification of a Galilean telescope is still: M=β α =−fo fe (1004) (where nowfe<0 isnegativ ...
412 Week 12: Lenses and Mirrors The magnification of the objective stage is: Mo=− ℓ fo=− fo+l s (1005) where the first relation ...
Week 12: Lenses and Mirrors 413 fo fo α y s fe y’ β l s’ Figure 177: A “Galilean” microscope uses adiverginglens for the eyepiec ...
414 Week 12: Lenses and Mirrors Homework for Week 12 Problem 1. Physics Concepts Make this week’s physics concepts summary as yo ...
Week 12: Lenses and Mirrors 415 Problem 6. A fish’s eye has a focal length of 1 cm in water (which is just the distance from the ...
416 Week 13: Interference and Diffraction that you can solve this problem by redoing the diagrams and computation of the overall ...
Week 13: Interference and Diffraction Huygen’s Principle:Each point on a wavefront of a propagating harmonic wave acts like asp ...
418 Week 13: Interference and Diffraction difference contains a half integral number of wavelengths, so the light arrives at the ...
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