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There is a small air bubble at the centr...

There is a small air bubble at the centre of a solid glass sphere of radius 'r' and refractive index `mu`. What wil be the apparent distance of the bubble from the centre of the sphere, when viewed from outside?

A

r

B

`( r)/(mu)`

C

`r(1 - (1)/(mu))`

D

Zero

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The correct Answer is:
D
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