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The figure ,shows a transparent sphere o...

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 an object is Placed at a distance`R` from the pole of first surface ,then the real image is formed at a distance `R`from thepole of the second surface.The refractive index`mu` of the spher is given by

A

1.5

B

`sqrt(2)`

C

3

D

`4/3`

Text Solution

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The correct Answer is:
B
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