The optical path of a monochromatic ligh...

The optical path of a monochromatic light is same whether, if it goes through 4.0 cm of glass or 4.5 cm of water. If the refractive index of glass is 1.53, then the refractive index of the water is

A

1.3

B

1.36

C

1.42

D

1.46

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The correct Answer is:

B

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