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Rays from sun converge at a point 15 cm ...

Rays from sun converge at a point 15 cm in front of a concave mirror. Where should be an object be placed so that size of its image is equal to the size of the object?

A

15 cm in fornt of the mirror

B

30 cm in front of the mirror

C

between 15 cm and 30 cm in front of the mirror

D

more than 30 cm in front of the mirror.

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