slides23all - through the appropriate F and...

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Previous Lecture Geometric Optics Ray tracing Mirror Equation 1 d o + 1 d i = 1 f –p
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Today Mirrors Lenses –p
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Glass bends light Fig. 33-22 –p
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Snell’s Law n 1 sin θ 1 = n 2 sin θ 2 –p
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Refraction by Thin Lens Converging lens focuses parallel rays to a point. –p
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Refraction by Thin Lens Diverging lens makes parallel rays diverge from a point. Fig. 34-5 –p
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Magnifying Glass Fig. 34-28 –p
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Ray Tracing Ray 1 is parallel to the axis; after reFection/refraction it must pass through F . ±or a lens, you must determine which of the two F ’s the ray passes through. –p
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Ray Tracing Ray 2 or its extension passes
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Unformatted text preview: through the appropriate F and refects/reFracts so that it is parallel to the axis. p. Ray Tracing Ray 3 passes through the center of curvature of a mirror or the center of a lens. p. 1 Which F for Ray 1? Figs. 34-8,9 p. 1 Dispersion Bending angle depends on color ( ) Fig. 33-27 p. 1 n depends on Fig. 33-26 p. 1 Total Internal Refection Fig. 33-29 p. 1 Rainbows refraction Fig. 33-28 total internal reection dispersion p. 1...
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This note was uploaded on 08/06/2008 for the course PHYS 21 taught by Professor Hickman during the Fall '07 term at Lehigh University .

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slides23all - through the appropriate F and...

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