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Representation of Point on the Plane

The graph sho...

Question

The graph shows the variation of v with change in u for a mirror. Points plotted above the point P on the curve are for values of v:

A

smaller than f

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B

smaller than 2f

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C

Larger than f

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D

Larger than 2f

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Solution

The correct option is D Larger than 2f
At $P, u = v$ which happened only when $u = 2 f$ .
At another point $Q$ on the graph above $P$ we have $v > 2 f$

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