question_answer

Give three points to show that radiation is different from conduction or convection.

Answer:

Difference between radiation and conduction or convection:

S. No.	Radiation	Conduction or Convection
1.	No medium is needed.	A medium is needed.
2.	Heat energy is transferred in the form of electromagnetic waves.	Heat energy transfer takes place with the help of material particles.
3.	Heat transfer is a fast mode.	It is a slow mode of heat transfer.