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Refraction takes place at a convex spher...

Refraction takes place at a convex spherical boundary separating air-glass medium. For the image to be real, the object distance `(mu_(g) = 3//2)`
Note Object lying in the glass.

A

should be greater than three times the radius of curvature of the refracting surface

B

should be greater than two times the radius of curvature of the refracting surface

C

should be greater than the radius of curvature of the refracting surface.

D

is independent of the radius of curvature of the refracting surface

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The correct Answer is:
A
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