Question

Today Raman lost his Matchbox his sister told him that he can light a fire from sunlight using a lens which leads is this?

Answer 1

Answer:

A burning glass or burning lens is a large convex lens that can concentrate the sun's rays onto a small area, heating up the area and thus resulting in ignition of the exposed surface.

Explanation:

Burning mirrors achieve a similar effect by using reflecting surfaces to focus the light. The burning glass was a useful contrivance in the days before electrical ignition was easily achieved.

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Hope this helps.