Question

Explain Thermal Expansion.​

Answer 1

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

Answer 2

Thermal Expansion :-

→ Thermal expansion is the tendency of matter to change in shape, volume, and area in response to a change in temperature.

→ The degree of expansion divided by the change in temperature is called the material's coefficient of thermal expansion.

→ It is found to generally vary with temperature.