Question

why are the pipes of solar heater and containers of solar cooker painted blacks ?​

Answer 1

Explanation:

Black colour or dark colour absorb a large amount of heat and for cooking we need heat so this why the solar cooker's pipes are painted black.

Answer 2

Answer:

because black and dark colours attract more heat... Black colour or dark colour absorb a large amount of heat and for cooking we need heat so this why the solar cooker's pipes are painted black.