slides27all - 36 lies on a flat glass plate n = 1 51...

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Previous lecture Diffraction limits resolution of optical instruments Important ratio is λ/a – p.
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This Week Today Teaching evaluation Go over hw26 Polarization Thursday Quantum mechanics Info about final – p.
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Teaching Evaluation Answer questions 1–21 about the course and Prof. Hickman only. Check “Yes” for recitation and “No” for lab. Do not answer questions 22–26 about your recitation section. You will do that on a separate form in recitation class. – p.
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34 P62 A 130 × astronomical telescope is adjusted for a relaxed eye when the two lenses are 1.25 m apart. What is the focal length of each lens? – p.
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35 P8 Suppose a thin piece of glass were placed in front of the lower slit so that the two waves enter the slits 180 out of phase. Describe in detail the interference pattern on the screen. – p.
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35 P10 Light of wavelength 480 nm n air falls on two slits 6 . 00 × 10 2 mm apart. The slits are immersed in water, as is a viewing screen 40.0 cm away. How far apart are the fringes on the screen? – p.
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35 P24 A thin film of alcohol ( n =1
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Unformatted text preview: . 36 ) lies on a flat glass plate ( n = 1 . 51 ). Reflected monochromatic light is a minimum for λ = 512 nm and a maximum for λ = 640 nm. What is the thickness of the film? – p. Phase shift on reflection (a) Reflected wave changes phase by 180 ◦ if n 2 > n 1 but (b) does not if n 2 < n 1 . – p. 35 P 42 In a water tank experiment, water waves are generated with their crests 3.5 cm apart and parallel. They pass through two openings 6.0 cm apart in a long wooden board. If the end of the tank is 2.0 m beyond the boards, where should you stand so that you received little or no wave action? – p. Polarization This wave is polarized in the y direction. (Fig. 32-14) – p. 1 Polarization Effects I I /2 I /4 I /8 I /2 I Figures 36-35, 36-37 – p. 1 36 P 50 Two polarizers are oriented at 34.0 ◦ to one another. Light polarized at a 17.0 ◦ angle to each polarizer passes through both. What reduction in intensity takes place? – p. 1...
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slides27all - 36 lies on a flat glass plate n = 1 51...

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