Thermal radiation is defined as
A)radiation produced by a hot object.
B)radiation in the infrared part of the spectrum.
C)radiation that depends only on the emitting object's temperature.
D)radiation in the form of emission lines from an object.
E)radiation that is felt as heat.

Question

Quizplus · Accepted Answer

Thermal radiation is electromagnetic radiation emitted by objects due to their temperature. The radiation is directly related to the temperature of the object and does not depend on any other parameters such as the object's composition, shape or size. Therefore, option C is the correct definition of thermal radiation.

Thermal Radiation Is Defined as