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Question
The minimum length of a plane mirror required to view the full image of a person 6 feet tall is :
The minimum length of a plane mirror required to view the full image of a person 6 feet tall is :
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Solution
The correct option is A 3 feet
It does not matter how far you are from the mirror. 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.
It does not matter how far you are from the mirror. 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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