Physics, asked by mwrs9651, 10 months ago

A boy is 1.5 metre tall with is eye level 1.38 metre stands before a mirror fixed on a wall.What should be the minimum length of the mirror so that he can view himself fully

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Answered by navjotsingh10

The minimum size of a plane mirror,required to see the full image of an observer must be half the size of that observer.

This can aslo be understood by a Ray Diagram as given below:

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