Question

what is the nature of thermal radiation

Answer 1

Hey!

Higher the temperature,greater the thermal radiation is emitted.At first the body appears dim and then it glows brightly.

Hope it helps.

Answer 2

Thermal radiation, also known as heat, is the emission of electromagnetic waves from all matter that has a temperature greater than absolute zero. It represents a conversion of thermal energy into electromagnetic energy.Thermal energy consists of the kinetic energy of random movements of atoms and molecules in matter.