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Question

A man of height H is standing in front of a mirror, which has been fixed on the ground. What length of his body can the man see in the mirror? The length of the mirror is H2. (Neglect seperation between eyes and head of men)
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A
H
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B
H2(H2+L2)12
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C
zero
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D
2H2L
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Solution

The correct option is D zero
  • Zero light would be seen as light after reflection would never reach the person's eyes.
  • His face's light after refelection would go downward not to his eyes and the extreme light i.e, of his foot after reflection would just pass over his head.

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