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The figure ,shows a transparent sphere of radius`R`and refractive index`mu`.An object `O`is placed at a distance `x` from the pole of the first surface so that a real image is formed at the pole of the exactly opposite surface.

If `x=2R`,then the value of `mu`is

A

1.5

B

2

C

3

D

`4/3`

Text Solution

Verified by Experts

The correct Answer is:
C
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