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The focal length of a mirror is given by...

The focal length of a mirror is given by `2/f=1/v-1/u`. In finding the values of u and v, the errors are equal to 'p'. Then, the relative error in f is

A

`p/2(1/u+1/v)`

B

`p/2(1/u+1/v)`

C

`p/2(1/u-1/v)`

D

`p(1/u-1/v)`

Text Solution

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The correct Answer is:
B
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