If the length of a 0.2m long aluminium rod expands by 0.5mm on increas – McqOptions

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1.	If the length of a 0.2m long aluminium rod expands by 0.5mm on increasing its temperature by 100°C, then find its Coefficient of linear expansion (in 10-5 K-1)?
A.	1
B.	25
C.	2.5
D.	10
Answer» D. 10

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