1422Mechanical EngineeringMedium
A perfect black body is one which________?
Afully opaque
Bis black in colour
Creflects all heat
Dabslprbs heat radiations of all wave lengths falling on it
Etransmits all heat radiations
Correct answer
D. abslprbs heat radiations of all wave lengths falling on it
Explanation
The correct answer is abslprbs heat radiations of all wave lengths falling on it.