p34_045 - 1 1 . 10 m . 850 m = 52 . 31 . The law of...

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45. Note that the normal to the refracting surface is vertical in the diagram. The angle of refraction is θ 2 =90 and the angle of incidence is given by tan θ 1 = w/h ,where h is the height of the tank and w is its width. Thus θ 1 =tan 1 ³ w h ´ =tan
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Unformatted text preview: 1 1 . 10 m . 850 m = 52 . 31 . The law of refraction yields n 1 = n 2 sin 2 sin 1 = (1 . 00) sin 90 sin 52 . 31 = 1 . 26 , where the index of refraction of air was taken to be unity....
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