1701Mechanical EngineeringMedium
A grey body is one whose absorptivity ________?
Avaries with temperature
Bthere is no such criterion
Cvaries with both
Ddoes not vary with temperature and wave length of the incident ray
Evaries with the wave length of incident ray
Correct answer
D. does not vary with temperature and wave length of the incident ray
Explanation
The correct answer is does not vary with temperature and wave length of the incident ray.