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Apparent Depth

Certain plane...

Question

Certain plane wavefronts are shown in figure. The refractive index of medium is

A

2

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B

4

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C

1.5

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D

Cannot be determined

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Solution

The correct option is A 2
Refractive Index is the ratio of the velocity of light in a vacuum to the velocity of light in another medium.
so,
$μ$ = $\frac{V_{1}}{V_{2}}$ = $\frac{2}{1}$

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