A room is heated by means of a charcoal fire, an occupants of the room standing away from the fire is warmed mainly by
- Convection
-
Radiation
- Conduction
- Reflection
The correct answer is: B
Explanation
Radiation refers to the transmission of energy as electromagnetic radiation from its emission at a heated surface to its absorption on another surface, a process requiring no medium to convey the energy.
Conduction is the transferring of heat by direct contact.
Convection is transferring heat through the motions of fluids (gases and liquids).
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