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Under which of the following conditions ...

Under which of the following conditions a concave mirror can be form an image larger than the actual object?

A

when the object is kept at a distance equal to its radius of curvature.

B

when object is kept at a distance less than its focal length

C

when object is placed between the focus and centre of curvature.

D

when object is kept at a distance greater than its radius of curvture.

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