An object is placed at a distance of 40 ...

An object is placed at a distance of `40 cm` from a concave mirrorr of focal length `15 cm`. If the object is displaced through a distance of `20 cm` towards the mirrorr, the displacement of the image will be

A

36 cm away from the mirror

B

30 cm towards the mirror

C

36 cm towards the mirror

D

30 cm away from the mirror

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The correct Answer is:

A

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