Question

find the minimum height of a plane mirror where one can see his full image​

Answer 1

hey you here is your answer

The man is twice as tall as the distance between points X and Y. In other words, to view an image of yourself in a plane mirror, you will need an amount of mirror equal to one-half of your height. A 6-foot tall man needs 3-feet of mirror (positioned properly) in order to view his entire image.

Answer 2

It should be above the object for ex: a rock is 10 cm long, so the mirror have top bee 11 cm

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