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A transparent sphere of radius R and ref...

A transparent sphere of radius `R` and refractie index `mu` is kept in air. At what distance from the surface of the sphere shold a point object be placed so as to form a rea image at the same distance from the sphere?

A

`R//mu`

B

`muR`

C

`R/(mu-1)`

D

`R/(mu+1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • There is a sphere of radius R and refractive index mu . At what distance from the surface of sphere should an object be placed so that real image is formed at the same distance from the sphere ?

    A
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  • An air bubble inside water. The refractive index of water is 4/3 . At what distance from the air bubble should a point object be placed so as to form a real image at the same distance from the bubble:-

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