The refractive index of water is

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1.33

2.41

1.53

1.37

answer is A.

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Detailed Solution

Refractive index of water is

1.33

. The ratio of the speed of light in air or vacuum to the speed of light in another medium is the refractive index of the medium. Refractive index is denoted by the Greek letter

μ

.
It can be written as

μ = \frac{speed of light in air or vacuum}{speed of light in the medium}

Refractive index has no unit since it is a pure ratio.

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