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The shape of graph between 1//u and 1//v...

The shape of graph between `1//u` and `1//v` in case of a convex lens is Fig.

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The correct Answer is:
A
In case of a convex lens, `u` is negative, `v` is positive.
Also `(1)/(v)-(1)/(u)=(1)/(f) =` constant 1. Therefore, shape of graph between `1//4` and `1//v` is as shown in Fig.
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