Question

Statement given below are incorrect. Write the correct statements:

• A black body is a poor absorber of heat.

Answer 1

1. A black body is a good observer of heat.
2. Black surfaces are poor reflectors of heat. They absorb most of the heat radiations which are falling on them.
3. A black body has maximum absorptivity.
4. It absorbs almost 100% of heat which fall over it.