10th Class Science Sources of Energy Question Bank 10th CBSE Science Sources of Energy

  • question_answer
      What is the use of the black painted surface in solar heating devices?

    Answer:

                      Black colour is a very good absorber of heat but a very poor reflector. So, it is used to absorb the maximum amount of heat from the sunlight. It is used in solar heating devices to maximize the absorption of heat and to minimize heat loss due to reflection.


You need to login to perform this action.
You will be redirected in 3 sec spinner