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An object is placed at a distance u cm f...

An object is placed at a distance u cm from a concave mirror of focal length f cm. The real image of the object is received on a screen placed at a distance of v cm from the mirror. The values of u are changed and the corresponding values of v are measured.
Which one of the graphs shown in the figure represents the variation of `1/v` with `1/u` ?

A

B

C

D

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The correct Answer is:
C
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