Question

Define Thermal Expansion!


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Answer 1

Answer:

Thermal expansion is the tendency of matter to change its shape, area, volume, and density in response to a change in temperature, usually not including phase transitions. Temperature is a monotonic function of the average molecular kinetic energy of a substance.

Explanation:

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Answer 2

Answer:

Thermal expansion is the tendency of matter to change in shape, volume, and area in response to a change in temperature. for example, have expansion joints to allow them to freely expand and contract with temperature changes.

Additional Information :-

The thermal shock resistance of crystals depends on the thermal expansion (Campbell, 1962).Thermal expansion occurs because heated molecules move faster and take up more space .Thermal expansion is of 3 types– Linear expansion, Area expansion, and Volume expansion.

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