Question

what kind of mirror is best in solar cooker​

Answer 1

Answer:

A concave mirror is best suited for use in a solar cooker. This is due to the reason that a concave mirror reflects and concentrates solar energy from over a large area into a small area. Such a mirror is called a solar concentrator.

Answer 2

Answer:

A concave mirror is used in solar cooker because it converges light rays coming from infinity to a point so that more heat is produced at the point sufficient to cook the food.