1081_Physics ProblemsTechnical Physics

1081_Physics ProblemsTechnical Physics - 422 P38.45...

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422 Diffraction Patterns and Polarization P38.45 sin θ c n = 1 or n c == ° = 11 34 4 177 sin sin . . . Also, tan p n = . Thus, p n = ° −− tan tan . . 605 af a f . P38.46 sin c n = 1 and tan p n = Thus, sin tan c p = 1 or cot sin θθ pc = . P38.47 Complete polarization occurs at Brewster’s angle tan . p = 133 p 53 1 . . Thus, the Moon is 36 9 . ° above the horizon. Additional Problems P38.48 For incident unpolarized light of intensity I max : After transmitting 1st disk: II = 1 2 max . After transmitting 2nd disk: = 1 2 2 max cos . After transmitting 3rd disk: 1 2 90 22 max cos cos . where the angle between the first and second disk is θω
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