What is thermal expansion ?????????
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The increase in the size of a body due to the increase in its temperature is called thermal expansion
shaguftashaheen6396:
The increase in the size of a body when it is heated is called thermal expansion... Hope it helps
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Thermal expansion. It is usually expressed as a fractional change in length or volume per unit temperature change; a linear expansion coefficient is usually employed in describing the expansion of a solid, while a volume expansion coefficient is more useful for a liquid or a gas.
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