Question:
A parallel beam of light in incident on a liquid surface
Last updated: 5/28/2023
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A parallel beam of light in incident on a liquid surface such that the wave front makes an angle 30 with the surface and has a width of 3 m the width of the refracted beam is at4 3 1 3 m 2 3m 3 11 3 m 4 11 3 m