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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` |
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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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