A black body is defined as a body_________
A. which does not emit any radiation
B. which absorbs all the radiations, of all wavelengths incident upon it
C. which absorbs radiations only from infrared and ultra violet region
D. Which emits radiations only in the visible region
Answer:B
A black body is defined as a body_________
A. which does not emit any radiation B. which absorbs all the radiations, of all wavelengths incident upon it C. which absorbs radiations only from infrared and ultra violet region D. Which emits radiations only in the visible region