Question

The heat energy from the sun reaches the earth due to the process of _________ .

Answer 1

1. Radiation is the process of transfer of heat energy from a hot body to a cold body without heating the space in between the two bodies.
2. Radiation is the fastest mode of heat transfer.
3. Radiation does not require any medium of heat transfer.
4. The heat energy from the sun is reaching earth without heating the air between them.

Hence, heat energy from earth reached earth due to the process of radiation