If a 5 m long steel wire extends by 2.5 mm then the strain in it is __ – McqOptions

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1.	If a 5 m long steel wire extends by 2.5 mm then the strain in it is ____________.
A.	0.0005
B.	0.005
C.	0.0002
D.	0.002
Answer» B. 0.005

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