Question

Which of the following statements are correct?

• A. Black body is an ideal body which only absorbs radiations of all frequencies.
• B. Black body is an ideal body which only emits radiations of all frequencies.
• C. Black body is an ideal body which absorbs as well as emit radiations of all frequencies.
• D. None of the above

Answer 1

The correct option is C Black body is an ideal body which absorbs as well as emit radiations of all frequencies.

Black body is an ideal body which emits and absorbs radiations of all frequencies.The radiation emitted from these bodies is known as black body radiation.