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Light strikes a 5.0-cm thick sheet of glass at an angle of incidence in air of...

Light strikes a 5.0-cm thick sheet of glass at an angle of incidence in air of 50° measured from the normal. The sheet has parallel faces and the glass has an index of refraction 1.60.

(a) At what angle does the light leave the first boundary air-glass boundary?

(b) After traveling through the glass the light re-emerges into the air. What is the final angle of refraction in air?

(c) Draw a diagram showing the path that the light takes into the sheet of glass and then out of it.

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