If a meter long brass scale expands by 0.45mm then by how much must be – McqOptions

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1.	If a meter long brass scale expands by 0.45mm then by how much must be the temperature (in °C) have increased? (Coefficient of linear expansion forbrass is 1.8 x 10-5 K-1)
A.	40
B.	50
C.	80
D.	25
Answer» E.

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