Question

why are solar cooker painted black from inside

Answer 1

Black color is a very good absorber of heat. This property is used in solar cooker where sunlight beats on the device and due to its black color more heat is absorbed.

Answer 2

Solar cooker are painted black to maximize the absorption of heat from the sun.

Explanation:

Solar cooker is a device that uses the solar energy to cook the food present inside it. They are not widely used in the society because they are expensive. It is painted black from inside because black color is a good absorbent of light and maximizes the efficiency of the cooker. It helps the cooker to trap heat inside it.