Question

What is heat? State its SI unit.

Answer 1

1. Heat is a form of energy that is transferred from one body to another as the result of a difference in temperature.
2. If two bodies at different temperatures are brought together, energy is transferred i.e., heat flows from the hotter body to the colder.
3. The unit of heat is the same as that of energy.
4. The S.I. unit of heat is the joule $\left(J\right)$.