Physics
Grade-6
Easy
Question
The transfer of heat in the vacuum is called as ______
- Convection
- Conduction
- Radiation
- Osmosis
Hint:
Radiation does not require any material medium to travel .
The correct answer is: Radiation
- In vacuum heat gets transferred in the form of electromagnetic waves.
- These electromagnetic waves do not require any material medium to travel.
- Both the process of conduction and convection requires some material particles to transfer the heat .
- In vacuum there is no such material, hence heat transfer through both these process is not possible .
- Hence in vacuum heat transfer occurs through radiation .
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