Science, asked by Nazmul8547, 1 year ago

Why we use concave mirror in headlights of vehicles and in torches?

harshikaaasija: 1. Concave mirrors are used in torches and car headlights because when a source of light is placed at the focus of a concave mirror, a parallel beam of light rays are formed.
2. This helps us to see things upto a considerable distance in the darkness

Answers

Answered by superiortanu12378

This is because when light ray coming from the source is concentrated at the focus then parallel rays of light are formed.

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Answered by harshikaaasija

1.Concave mirrors are used in torches and car headlights because when a source of light is placed at the focus of a concave mirror, a parallel beam of light rays are formed.
2. This helps us to see things upto a considerable distance in the darkness

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