Question

define radiation and radiant heat.
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Answer 1

Explanation:

Radiant heat, also known as thermal radiation, is the transfer of electromagnetic radiation which describes the heat exchange of energy by photons. ... Radiant heat is a mechanism for heat transfer which does not require a medium in which it propagates (unlike convection and conduction).

Answer 2

Answer:

radiation

powerful and very dangerous rays that are sent out from certain substances. You cannot see or feel radiation but it can cause serious illness or death

radiant heat

Radiant heat is a mechanism for heat transfer which does not require a medium in which it propagates