Physics > 2010 > 16
JAMB UTME
Two metals P and Q of lengths l1 and l2 are heated through the same temperature difference.
If the ratio of the linear expansitivities of P to Q is 2 : 3 and the ratio of their lengths is 3 : 4; what is the ratio of increase in lengths of P to Q?
If the ratio of the linear expansitivities of P to Q is 2 : 3 and the ratio of their lengths is 3 : 4; what is the ratio of increase in lengths of P to Q?
A.
5 : 7
B.
2 : 1
C.
1 : 2
D.
7 : 5
Answer: C
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