A light beam is traveling through an unknown substance when
A light beam is traveling through an unknown substance. When it exits that substance and goes into air, the angle of reflection is 32.0° and the angle of refraction is 40.0°. What is the index of refraction of the substance?
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light rays in a material with index of refraction 129 can undergo total internal reflection when they strike the
a light beam is traveling through an unknown substance when it exits that substance and goes into air the angle of
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