sir,
A tall man of height 6 feet want to see his full image. Then required minimum length of the mirror will be:-
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Asked by advguptaneeraj4
23rd March 2015,
6:08 PM
Answered by Expert
Answer:
The minimum height of plane mirror to enable a person to see full image is ½ of his height.
According to the principle of reflection, the angle of incidence is equal to angle of refraction. When the ray of light travels from bottom to top of a person and reaches his eyes, then he is able to see the clear image. Here, the ray from the foot strikes the mirror at its bottom and reaches his eye after reflecting from the mirror. Hence, the height of the mirror should be 3 feet.
Answered by Expert
23rd March 2015,
6:19 PM
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