Question

WHAT IS HEAT ? DEFINE IT BRIEFLY?. AND.. WHAT ARE THE USES OF HEAT!? ​

Answer 1

Heat is the transfer of kinetic energy from one medium or object to another, or from an energy source to a medium or object. Such energy transfer can occur in three ways: radiation, conduction, and convection. Heat can warm things up, cool things down, generate electricity, and be transmitted for use in different locations.

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Answer 2

Heat:

Heat is the form of energy obtained due to random motion of molecules in a substance. The S.I. unit of heat is joule(J). It is measured by the principle of calorimetry. It flows from a hot bpdy to a cold body.

Uses of heat:

• For the process of photosynthesis
• For chemical reactions
• For enzymes reactions
• For domestic uses
• For industrial uses