Two metals P and Q of length l 1 and l 2 are heated through
PHYSICS
JAMB 2010
Two metals P and Q of length l1 and l2 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 lengths is 3:4. What is the ratio of increase in length of P to Q?
- A) 7:5
- B) 5:7
- C) 1:2
- D) 2:1
Correct Answer: C) 1:2
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