A cylindrical cork of uniform density floats in a liquid of density 1 . If the cork is depressed slightly and released, it oscillates harmonically with time period T . If the same cork floats in another liquid of density 2 , then the similar oscillation has time period 2T . The value of 2/ 1 is:

1. A. 4
2. B. 2
3. C. 1/2
4. D. 1/4

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