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A student holding a mirror in his hand, ...

A student holding a mirror in his hand, directed the reflecting surface of the mirror towards the Sun. He then directed the reflected light on to a sheet of paper held close to the mirror.
Will he be able to determine the approximate value of focal length of this mirror form this activity? Give reason and draw ray diagram to justify your answer in this case.

Text Solution

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Yes, distance between mirror and focal point gives approximate focal length.
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