Question

Radiation is the slowest mode of transmission of heat.

• A. True
• B. False

Answer 1

The correct option is B False

1. The transfer of heat energy from a hot body to a cold body directly, without heating the space in between two bodies, is called radiation.
2. It is the fastest mode of heat transfer.
3. Radiation requires no medium.
4. It takes place at a speed of $3x{10}^{5}km/s.$

Hence, the given statement is false.