Question

Define thermal expansion.​

Answer 1

Answer:

✍Thermal expansion is the tendency of matter to change its shape, area, and volume in response to a change in temperature. Temperature is a monotonic function of the average molecular kinetic energy of a substance......✔✔✔

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Answer 2

$\huge\mathtt\red{Answer}$

Thermal expansion :-

It is define as the change un volume due to change in its temperature.

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