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A person AB of height 170 cm is standing...

A person AB of height 170 cm is standing in front of a plane mirror. His eyes are at height 164 cm. At what distance from P should a hole be made in mirror so that he cannot see his hair?

A

167 cm

B

161 cm

C

163 cm

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A

Figure in self explanatory.
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Knowledge Check

  • A person AB of height 170 cm is standing in front of a vertical plane mirror. His eyes are at height 164 cm ground. At what distance from P should a hole be made in the mirror so that he cannot see the top of his head ?

    A
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    B
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    C
    163 cm
    D
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    D
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    B
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    C
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