Question

why are concave mirror use in solar device ​

Answer 1

Answer:

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Concave mirrors are used in solar cookers. This is because they are the only type of mirrors that reflect sunlight to a single focal point. ... Concave mirrors absorb all the incident light and reflect it to a single focal point. This reflected light is very powerful because it carries a lot of thermal energy.

Answer 2

Answer:

Here is your answer

Concave mirrors are used in solar devices to collect heat and radiations.Heat radiations from the sun coming from infinity are brought to focus by concave mirror in its focal plane.

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