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Old Dec 19th 2010, 01:56 AM   #1
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Exclamation Plane Mirror problem

A point source of light B is placed at a distance L in front of the center of a mirror of width D hung vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror at a distance 2L from it. The greatest distance over which he can see the image of the light source in the mirror is ?

PLZ ANSWER THIS AS QUICKLY AS POSSIBLE BECAUSE TOMORROW IS MY EXAM OF OPTICS.
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Old Dec 20th 2010, 04:11 PM   #2
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Originally Posted by Vishal Sahrawat View Post
A point source of light B is placed at a distance L in front of the center of a mirror of width D hung vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror at a distance 2L from it. The greatest distance over which he can see the image of the light source in the mirror is ?

PLZ ANSWER THIS AS QUICKLY AS POSSIBLE BECAUSE TOMORROW IS MY EXAM OF OPTICS.

Do you want the answer, or an explanation?

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Old Dec 21st 2010, 01:33 AM   #3
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Answer along with explanation.
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