A man 160 cm height stands in fromt ...

A man 160 cm height stands in fromt of a plane mirror . His eyes are at a height of 150 cm from the floor. Then the minimum length of the plane mirror for him to see his full length image is -

85 cm

170 cm

80 cm

340 cm

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Verified by Experts

The correct Answer is:

The minimum length of the mirror is half the length of the man. This can be proved from the fact that `anglei=angler`.

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DISHA PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-Exercise - 1 : Concept Builder (Topicwise)(Topic 1 : Plane Mirror, Spherical Mirror and Reflection of Light)

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