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An infinitely long rod lies along the ax...

An infinitely long rod lies along the axis of a concave mirror of focal length f. The near end of the rod is distance `u gt f` from the mirror. Its image will have length

A

`f^2/(x+f)`

B

`f^2/x`

C

`(xf)/(x-f)`

D

`f^2//(x-f)`

Text Solution

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The correct Answer is:
D
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