Question

Define radiation and radiation heat?​

Answer 1

Answer:

Heat radiation (as opposed to particle radiation) is the transfer of internal energy in the form of electromagnetic waves. For most bodies on the Earth, this radiation lies in the infrared region of the electromagnetic spectrum. ... Recall that heat is the transfer of internal energy from one region to another.

Answer 2

Answer:

Radiation is energy that travels in invisible waves or rays.

radiation heat transfer, occurs without any medium at all. In general, the radiation heat transfer from one surface to another is the radiation leaving the first surface for the other minus that arriving from the second surface.