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An object is present on the principal ax...

An object is present on the principal axis of a concave mirror at a distance `30cm`from it.Focal length of mirror is`20cm`

Image formed by mirror is

A

At a distance `60cm`in front of mirror.

B

At a distance `60cm`behind of mirror.

C

At a distance `12cm`in front of mirror.

D

At a distance `12cm`behind of mirror.

Text Solution

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The correct Answer is:
A
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