Question

why are concave mirror used in Solar devices​

Answer 1

Answer:

The concave mirror helps for the solar cooker to reflect the extra sunlight.

Explanation:

If extra sunlight is used then the solar cooker will blast

Answer 2

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.
• Hope you understand it..