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  • The graph shows part of variation of  with change in <img alt="\mathrm{u}" src="https://entrancec

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

Option: 1

smaller than \mathrm{f}


Option: 2

smaller than \mathrm{2\ f}


Option: 3

larger than \mathrm{2\ f}


Option: 4

larger than \mathrm{f} but less than \mathrm{2\ f}


Answers (1)

best_answer

At \mathrm{P, u = v} which is possible only when \mathrm{u = 2\ f}

If we take anotyher point \mathrm{Q} just above \mathrm{P}, then \mathrm{v > 2\ f}

Posted by

Suraj Bhandari

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