Physics, asked by aryanam6883, 10 months ago

What do you understand by thermal expansion of a substance?

Answers

Answered by Abhineet777

Answer:

Thermal expansion occurs when an object expands and becomes larger due to a change in the object's temperature. ... Temperature is the average kinetic (or movement) energy of the molecules in a substance. A higher temperature means that the molecules are moving faster on average.

Answered by p9347039290

With change in temperature it changes state of substance

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