The cooling fins at the back of refrigerator are made of black and rough surface because ____...? Mcqs

The cooling fins at the back of refrigerator are made of black and rough surface because ____...?

(A) They are good conductors of heat

(B) They are good radiators of heat

(C) They are good insulators of heat

(D) They are not important for heat transfer

Source: This question is taken from the Everyday Science