If u represents object distance from pol...

If `u` represents object distance from pole of spherical mirror and `V` represents image distance from pole of mirror and `f` is the focal length of the mirror, then a straight line `u=v` will cut `u` versus `v` graph at

`(f,f)`

`(2f,2f)`

`(f,2f)`

`(0,0)`

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(b) From `u-v` graph (b) is correct.

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