Question

why is a solar cooker painted black from outside​

Answer 1

Answer:

Solar cooker boils food by absorbing heat from solar energy. ... Hence when the solar cooker painted by black color it can absorb more heat energy and also keep it does not allow the heat to escape outside. There by it rapidly increase the heat inside the cooker. That will help the cooking to more easily.

Answer 2

this is because black colour absorbs all the radiation of heat and light