An iron bar of length 10 m is heated from \[0{}^\circ C\] to \[100{}^\ – McqOptions

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1.	An iron bar of length 10 m is heated from \[0{}^\circ C\] to \[100{}^\circ C\]. If the coefficient of linear thermal expansion of iron is \[10\times {{10}^{\,6}}/{}^\circ C\], the increase in the length of bar is
A.	0.5 cm
B.	1.0 cm
C.	1.5 cm
D.	2.0 cm
Answer» C. 1.5 cm

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