Why paper catches fire when a convex lens is used to focus sunlight
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because convex lens converges the sunlight to a single point
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convex lens are also called as converging lens.
it will focus all parallel beams of Sunrays at focus on paper, if. paper is exposed to sunlight.
hence convex lens can burn a piece of paper
it will focus all parallel beams of Sunrays at focus on paper, if. paper is exposed to sunlight.
hence convex lens can burn a piece of paper
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