Social Sciences, asked by roychandidas61, 2 months ago

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

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Answered by alina145

2

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

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