Q.

We know that when we sit in front of a room heater, we get heat. Which process from the following helps us to get heat?

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a

Conduction

b

Radiation

c

Convection

d

Transmission

answer is C.

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Detailed Solution

  •  When we sit in front of a room heater, we get heat through the process of radiation. 
  • The transfer of heat by radiation does not require any medium.
  • The process of the transfer of heat from one place to another place without heating the intervening medium is called radiation.
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