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Transmission of Light in Different Medium

A point sourc...

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A point source of light is placed 4 m below the surface of liquid of refractive index 5/3. The minimum diameter of a disc, which should be placed over the source, on the surface of liquid to cut-off all light coming out of water s

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Q. A point source of light is placed

4 m

below the surface of water of refractive index

5 / 3

. The minimum diameter of a disc which should be placed over the source on the surface of water to cut-off all light coming out of water is :

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Transmission of Light in Different Medium

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