2. This helps us to see things upto a considerable distance in the darkness.
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Concave mirrors are used in torches and in car headlights.
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.
2. This helps us to see things upto a considerable distance in the darkness.