Question

What is the significance of concave mirror in an electric torch? ​

Answer 1

Answer:

Answer: Concave mirrors in torches and headlights are used as deflectors. 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.

Answer 2

Concave mirror plays a vital role in a Torch, as we know the ray/beam of light source from the torch must be bright and concentrated to the centre to give the maximum amount of visibility,

Thus Concave mirror being the Diverging lens felicitates the light source and gives a wider area of visibility.

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