Physics · Modes of Heat Transfer

Which of the following statements regarding heat transfer modes is INCORRECT?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Radiation refers to the transfer of heat through electromagnetic waves across space or matter.
2Conduction is the transfer of heat within a fluid by the macroscopic mixing of one portion with another.✓
3Heat spontaneously flows in the direction of lower temperature.
4Heat transfer is the transmission of energy from one region to another as a result of a temperature gradient.

Correct answer

Conduction is the transfer of heat within a fluid by the macroscopic mixing of one portion with another.

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