Question

The energy from the sun reaches the earth by

• A. Conduction
• B. Radiation
• C. Convection
• D. All the above

Answer 1

Answer: (B)

The process of the transfer of the heat from one place to another place without the need of a medium is called radiation. For example, the heat from the sun reaches the earth through radiation mode.

Since there is no medium in space , the heat energy from sun has to travel to earth without a medium which is a property of radiation.