Physics
Grade-6
Easy
Question
The heat from the hot fire wood is received to a man sitting beside is due to _______
- Conduction
- Radiation
- Convection
- None
Hint:
Radiation is the process of heat transfer that occurs in gases.
The correct answer is: Radiation
- Radiation is the process of transfer of heat from one place to another without heating the intervening medium.
- All bodies emit heat by the process of radiation.
- When a firewood is heated we receive the warmth because of radiation .
- The heat energy is transferred from the firewood to the man's body without heating the air present in between.
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