Name the energy which arises due to the motion of atoms or molecules in a body. How is this energy affected when the temperature is increased?
Name the energy which arises due to the motion of atoms or molecules in a body. How is this energy affected when the temperature is increased?

Thermal energy arises due to the motion of particles (atoms or molecules) in the body. If we increase the temperature then the kinetic energy of atom and molecule increases significantly and they vibrate accordingly.