Light in air strikes a glass plate at an angle of incidence of 60^{\circ}, one part of the beam being reflected, and the other part being refracted. The reflected and refracted rays make an angle of 90^{\circ} with each other. What is the index of refraction of the glass
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When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is
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Light in air strikes a glass plate at an angle of incidence of 60^{\circ}, one part of the beam bein...
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