1.

A boy of length 10 m, to see his own completeimage, requires a mirror of length atleast equalto

Answer»

Image is formed from the mirror at a distance equal and opposite to that of the object-mirror distance.

It means that distance will be doubled that is given in question.

So, image-mirror distance is 10cm, and object image distance is 20cm.

the answer is 10/2 to see his own image



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