Physics
Grade-6
Easy
Question
The transfer of heat without medium is called as ______
- Radiation
- Convection
- Gases
Conduction
- None
Hint:
Radiation does not require any medium to travel.
The correct answer is: Radiation
- Radiation is the process of heat transfer from a hot body to cold body directly without heating the medium between two body.
- In radiation, the heat gets transferred in the form of electromagnetic waves.
- These waves do not require any material medium for their propagation.
- They can travel in vacuum.
- Hence radiation is the process of heat transfer that does not require any medium.
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