Question

transfer of heat without a medium is called radiation true or false​

Answer 1

Answer:

radiation is the mode of heat transfer in which heat is radiated or transmitted from one place to another in the form of rays or waves. It does not require any material medium. It takes place by electromagnetic radiation.

so I guess it's true

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Answer 2

Answer:

Trus

,

Explanation:

The heat transfer mechanism in which no medium is required is called radiation. Thus, heat transfer takes place in form of radiation. In radiation, heat travels as electromagnetic waves which do not require a medium to travel. ... Radiation is the only method of energy transfer that does not require a medium.

I hope to understand.

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