1.

why does obatining the image of the sun on a paper with the help of a concave mirror burn the paper?​

Answer»

Answer:

The rays from the sun are parallel. When these rays fall on the CONCAVE mirror, they are converged to a single point on the FOCAL plane of the mirror. ... Now, if a paper is placed at that point to GET image of sun, the papers GETS burnt because of huge amount of heat CONCENTRATED at that point.



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