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May 30, 2015

Homework Help: physics

Posted by A on Tuesday, May 14, 2013 at 3:19pm.

A beam of light strikes the flat, glass side of a water-filled aquarium at an angle of 37.5 to the normal. For glass, n = 1.50.
(a) At what angle does the beam enter the glass?
(b) At what angle does the beam enter the water?

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