Question on: WAEC Physics - 2003
a metal rod of length 100cm is heated through 100oC, calculate the change in length of the rod [linear expansivity of the material of the rod is 3 x 10-6K-1]
A
4mm
B
3mm
C
2mm
D
1mm
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Correct Option: B
(I_2 - I_1 = I_1, \theta\alpha - 1 \times 100 \times 3 \times 10^{-5})
= 3 x 10-3m
= 3mm
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