Angle from the normal does the beam travel during the glass

Reference no: EM13672847

A laser beam enters a 10.5 cm thick glass window at an angle of 68.0° from the normal. The index of refraction of the glass is 1.44.

1. At what angle from the normal does the beam travel during the glass?

2. How long does it take the beam to pass during the plate?

Reference no: EM13672847

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