Question

Concave mirror is used in solar cooker. Why?

Answer 1

Answer:

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

Explanation:

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Answer 2

Concave mirror

are used in solar furnaces because concave mirrors are the only type of Mirror that reflects light in towards a single focal point. A flat mirror does not have a focal point. It does regular reflection off all its points. The light will reflect up and away from the focal point of a convex mirror