1.

Where should a person stand straight from the pole of a convex mirror of focal length 2.0 m on its axis, so that the image formed become half of his original height?A. `-2.60m`B. `-4.0m`C. `-5.0m`D. `-2.0`

Answer» Correct Answer - D
Magnification of mirror
`m=(f)/((f-u))(1)/(2)=(200)/((200-u))`
`200-u-400`
`u=-200cm`
`=-2m`


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