WHAT IS LINEAR EXPANSIVITY? – InterviewSolution

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1.	WHAT IS LINEAR EXPANSIVITY?
Answer» TION:Linear expansivity is the fractional increase in length of a specimen of a SOLID, per unit rise in temperature. If a specimen increases in length from l1 to l2 when its temperature is RAISED θ°, then the expansivity (α) is given by: l2 = l1(1 + αθ).

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