Question

Write 'true' or 'false' for each statement:

Medium is necessary for the transfer of heat by radiation.

Answer 1

Correct option is B. False

False

Explanation:

• Radiation heat transfer is the technique of transferring heat from one body at higher temperature to another body at lower temperature without affecting the medium.

• Transfer of heat by radiation does not need any material medium.

• The sun's heat, for example, is transmitted to the earth by radiation.