Finding angle of refraction at water surface?
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Answer:
If R is the angle of refraction and I the angle of incidence then the following applies Sin I /sin R = n (ndex of refraction having a value of 1.33 for air -water boundary) so sin R = sin I / n = sin 40 / 1.33 = 0.6428 / 1.33 = 0.4833 Therefore R = 28.9 degrees
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Other answers
If R is the angle of refraction and I the angle of incidence then the following applies Sin I /sin R = n (ndex of refraction having a value of 1.33 for air -water boundary) so sin R = sin I / n = sin 40 / 1.33 = 0.6428 / 1.33 = 0.4833 Therefore R = 28.9 degrees
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