Physics, asked by Abisanka, 9 months ago

How quantity of heat imparted or rejected effects the change in temperature?

Answers

Answered by umamaheswarikadali

Answer:

When a body is heated, it expands and upon cooling it contracts. This change in size of the body due to heating is called thermal expansion . The reason is that on heating a substance the average intermolecular separation between the molecules increases, while on cooling it decreases.

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