Name the lens which can concentrate sun's rays to a point and burn a hole in a piece of paper.

A convex lens can concentrate the sun's rays to a point and burn a hole in a piece of paper.

Explanation

A hole is burnt in the carbon paper, because a convex lens converges the parallel beam of light rays, and in this case, it converges or focusses a lot of heat rays coming from the sun to a single point (where the sun’s image is formed) which burns the hole in the paper.

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Updated on: 10-Oct-2022

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