How long does it take the beam to pass through the plate

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Reference no: EM13541068

A laser beam enters a 15.5 cm thick glass window at an angle of 37.0° from the normal. The index of refraction of the glass is 1.42. The angle from the normal the beam travel through the glass is 2.51×101 deg. How long does it take the beam to pass through the plate?

Reference no: EM13541068

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