Question

How high temperature is achieved in solar cooker by the use of mirrors?

• A. mirrors are used to reflect sunlight on the the cooker thus more heat.
• B. mirrors absorb more sunlight falling on the cooker thus more heat.
• C. mirrors diffuse light in all direction.
• D. none of these.

Answer 1

The correct option is A

mirrors are used to reflect sunlight on the the cooker thus more heat.

Solar cookers achieve higher temperature by using mirrors to focus the rays of the sun.
Concave mirrors are the most preferred ones as they can converge sunlight over a small area.