What is Sl unit of coefficient of linear expansion? Is it always constant?
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The Coefficient of linear expansion of the given solid is denoted as a. then for a unit is per degree Celsius) in the CGS and in the SI system it is per kelvin K-1. ... If you consider at 00C area of a solid is A0 then its area at t0c is given by: A0(l+βt).
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Kelvin inverse . unit is always constant but expansion can't be constant when it will cool the it Contract to its original position
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