The phrase that describes blackbody radiation is the radiation that is absorbed by an object as it warms.
What is blackbody radiation?
Blackbody radiation is a radiation produced by heated objects, particularly from a blackbody.
In physics, a blackbody, approximated by a hole in a hollow black sphere, absorbs all incident electromagnetic radiation and reflects none.
Therefore, the phrase that describes blackbody radiation is the radiation that is absorbed by an object as it warms.
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