if a man of hight 3m wants his full size image in plane mirror, what wil be the minimum sizeof plane mirror for this purpose
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In order to see full image of a person, the minimum size of the mirror should be one half the person's height. This is so because, in reflection, the angle of incidence is equal to angle of reflection. So, to see the image of a 6 ft tall person, a 3 ft long mirror is required.
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1.5m .that is half the man's height.
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