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A rod of length 10 cm lies along the pri...

A rod of length 10 cm lies along the principal axis of a concave mirror of focal length 10 cm in such a way that its end closer to the pole is 20 cm away from the mirror. The length of the image is,

A

10 cm

B

15 cm

C

2.5 cm

D

5 cm

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The correct Answer is:
D
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