A ray of light is incident in air on a block of a transparent solid whose index of refraction is n. If n = 1.38, what is the largest angle of incidence ua for which total internal reflection will occur at the vertical face
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A: 45°Explanation:
A ray of light is incident in air on a block
of a transparent solid whose index of refraction is n.
If n = 1.38, what is the largest angle of incidence
ua for which total internal reflection will occur at
the vertical face
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