Question

3. Answer in one or two sentences (s):
3.1 Explain what is meant by transmission of heat through radiation.​

Answer 1

Answer:

Radiation refers to the transfer of heat from a hot body to cold body directly, without heating the medium between two bodies.

Explanation:

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Answer 2

Radiation refers to the transfer of heat from a hot body to a  cold body directly, without heating the medium between two bodies. Radiant heat is in the form of electromagnetic waves. These waves can travel in a vacuum in all directions in a straight line with the speed of light.