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Refraction of Light

Light travel ...

Question

Light travel faster in medium A than in medium B. Medium A is said to be optically _______.

A

denser

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B

rarer

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C

translucent

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D

opaque

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Solution

The correct option is B rarer
If the speed of the light in medium A is faster than medium B, then medium A is said to be an optically rarer medium, and the refractive index of medium A is lesser than medium B.

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