Question

Why are concave mirrors used in
solar devices?
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Answer 1

Answer:

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

Explanation:

Answer 2

Answer:

Concave mirrors are used in solar devices because-

Explanation:

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