Question

5. What type of mirror is used in a torch? Why?​

Answer 1

Answer:

A concave mirror is used in torch lights. The light rays from a source placed on the focus of a concave mirror are reflected in such a way that the reflected rays are strong, straight and parallel.

Explanation:

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Answer 2

Answer:

Concave mirrors in torches and headlights are used as reflectors. The source of light is placed at the focus of a concave mirror such that the light rays emerge out as parallel beams, after getting reflected in the mirror.