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?

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Two metals P and Q of length l1 and l2 are heated through the same temperature ...

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Correct Answer: C

Explanation

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