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A glass sphere of (mu=1.5) with a radius...

A glass sphere of `(mu=1.5)` with a radius of `15.0 cm` has a tiny air bubble `5 cm` above its centre. The sphere is viewed looking down along the extended radius containing the bubble. What is the apparent depth of the bubble below the surface of the sphere?

Text Solution

Verified by Experts

The correct Answer is:
C

Using `mu_2/v-mu_1/u=(mu_2-mu_1)/R`, we get
`1/v-1.5/-10=(1-1.5)/-1.5`
Solving, we get `v=-8.57 cm`
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