Question

Concave lenses are used in flashlights. why?​

Answer 1

Answer:

Explanation: Concave lenses are also used in flashlights to magnify the light produced by the source. The light rays fall on the hollowed side of the lens, and the light rays diverge on the other side. This increases the radius of the light source and thus provides a wider beam. Concave lens used in peepholes

Answer 2

Answer:

Concave lenses are used on flashlights to magnify the light produced by the bulb. The light falls on the concave side of the lens, and the rays diverge on the other side, thereby increasing the apparent radius of the light source and providing a wider beam.

Explanation:

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