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Image of an Extended Object in Plane Mirror

Sun ray are i...

Question

Sun ray are incident at an angle of $24^{o}$ with the horizontal. How can they be directed parallel to the horizon using a plane mirror?

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Solution

So, for the sun rays to be directed parallel to the horizon using a plane mirror, mirror should be kept in the path of the rays at an angle of 78 or 12 degrees with the horizontal.

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