Physics > 2007 > 28
JAMB UTME
The ratio of the coefficient of linear expansion of two metals α1α2 is 3:4. If, when heated through the same temperature change, the ratio of the increase in length of the two metals, e1/e2 is 1 : 2, the ratio of the original length l1/l2is
A.
2/3
B.
8/3
C.
3/8
D.
3/2
Answer: A
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