Question on: JAMB Physics - 2012
Two metals P and Q are heated through the same temperature difference. If the ratio of the linear expansivities of P to Q is 2:3 and the ratio of their
length is 3: 4 respectively, the ratio of the increase in lengths of P to Q is
A
1:2
B
2:1
C
8:9
D
9:8
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Correct Option: A
P: (\frac{\alpha h \theta}{\alpha h \theta})
(\frac{2 \times 3 \times \theta}{3 \times 4 \times \theta})
(\frac{1}{2})
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