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CBSE Class 10 Answered

What will happen if you hold a concave mirror in your hand and and direct its reflecting surface towards the sun and direct the light reflected by the mirror on to a sheet of paper held close to the mirror??
Asked by 230361169584 | 24 Feb, 2011, 12:00: AM
answered-by-expert Expert Answer
Dear student
The rays from sun after reflection from the mirror, shall converge at focus. Holding  a sheet of paper at the focus, may cause it to burn if the reflected rays are very strong but if a sheet of paper is held very close to the mirro, it will lie in between the pole and the focus and hence shall only warm up.
Hope this helps.
Regards
Team
Topperlearning
Answered by | 24 Feb, 2011, 10:34: AM

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