Which of the following statements about thermal radiation is always true?
A)A hot object emits more radiation per unit surface area than a cool object.
B)A cold object produces more total infrared and radio emission per unit surface area than a hot object.
C)A hot object produces more total infrared emission than a cooler object.
D)All the light emitted by hot object has higher energy than the light emitted by a cooler object.

Question

Quizplus · Accepted Answer

According to the Stefan-Boltzmann law, a hot object emits more radiation per unit surface area than a cool object.

Which of the Following Statements About Thermal Radiation Is Always