Question

The inner wall of the solar cooker is painted black because ​

Answer 1

At that central point, a black-surfaced vessel helps convert the sunlight into heat, which is used to cook the food. Further, once the heat is generated, it must be trapped and insulated from the cooler air outside the cooker. ... Black-painted cooking pots and pans are placed inside the box.

Answer 2

Answer:

Black colour absorb sunlight very easily.

that's why it is painted black .