A laser beam enters glass from air with an angle of 60 degrees (in the air) from the air-glass interface. The glass is 10 cm wide. a. What angle from the normal does the light ray have in the air? (b) What angle from the normal does the light ray have in the glass? (c) What angle from the surface does the light ray have in the glass?

A laser beam enters glass from air with an angle of 60 degrees (in the air) from the air-glass interface. The glass is 10 cm wide. a. What angle from the normal does the light ray have in the air? (b) What angle from the normal does the light ray have in the glass? (c) What angle from the surface does the light ray have in the glass?

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Question

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A laser beam enters glass from air with an angle of 60 degrees (in the air) from the air-glass interface. The glass is 10 cm wide.

a. What angle from the normal does the light ray have in the air?

(b) What angle from the normal does the light ray have in the glass?

(d) What angle from the surface does the light ray have in the air when it then leaves the glass (on the right)?

(e) How far vertically above the entry point in the glass (on the left) does the light ray leave the glass (on the right)?

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