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Question
In which of the following processes no medium is required for heat transfer?
In which of the following processes no medium is required for heat transfer?
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Solution
The correct option is C Radiation
Conduction and convection require some material as a transport medium like a solid metallic rod or a fluid. In the radiation mode of heat transfer no medium is required. Energy gets transferred in the form of electromagnetic waves, which can travel even in vacuum.
Conduction and convection require some material as a transport medium like a solid metallic rod or a fluid. In the radiation mode of heat transfer no medium is required. Energy gets transferred in the form of electromagnetic waves, which can travel even in vacuum.
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