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A short linear object of length b lies a...

A short linear object of length b lies along the axis of a concave mirror of focal length f at a distanee u from the pole of the mirror. The size of the image is approximately equal to

A

`b((u - f)/(f))^((1)/(2))`

B

`b((f)/(u - f))^((1/(2))`

C

`b((u - f)/(f))`

D

`b((f)/(u - f))`

Text Solution

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The correct Answer is:
D
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