A person standing 12 cm away from mirror...

A person standing 12 cm away from mirror A of focal length 10 cm see his image inverted and enlarged. When the mirror A is replaced by mirror B of same focal length the person observes diminished and erect image. Mirrors A and B are respectively.

A

concave and plane

B

concave and convex

C

convex and plane

D

convex and concave.

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The correct Answer is:

B

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