p34_069 - of the circle in question is given by d = 2 h tan...

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69. Reference to Fig. 34-24 may help in the visualization of why there appears to be a “circle of light” (consider revolving that picture about a vertical axis). The depth and the radius of that circle (which is from point a to point f in that ±gure) is related to the tangent of the angle of incidence. The diameter
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Unformatted text preview: of the circle in question is given by d = 2 h tan c . For water n = 1 . 33, so Eq. 34-47 gives sin c = 1 / 1 . 33, or c = 48 . 75 . Thus, d = 2 h tan c = 2(2 . 00 m)(tan 48 . 75 ) = 4 . 56 m ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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