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Please, answer below questions: Remember units. Use the correct number of significant figures. 1. A laser produces a...

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Physics

Please, answer below questions:

Remember units. Use the correct number of significantfigures.

1. A laser produces a beam of light with aradius of 1.7 mm. Its energy density is 9.17 10-7 J/m3 . a) What isits power? b) What is the force of its radiation pressure?

2. As light goes from air to an unknown liquid,an incident angle of 20.0° becomes a refracted angle of 13.1°. Iflight goes from the unknown liquid to air, what is the largestincident angle that does not experience total internalreflection?

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