Question

Linear expension in thermal expansion
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Answer 1

Answer:

Linear expansion means change in one dimension (length) as opposed to change in volume (volumetricexpansion). To a first approximation, the change in length measurements of an object due to thermal expansion is related to temperature change by a "Coefficient of linear thermal expansion" CLTE.

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Answer 2

Answer:

Linear expansion is basically the increase in length of a material in relation to the increase of the temperature of the material. The coefficient of linear expansion is a guiding numerical expression, which is generally different for different materials.