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JEE Main 11 April 2015 Paper

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Question : 8

Total: 90

A cylindrical block of wood (density =650kgm−3), of base area 30cm2 and height 54 cm, floats in a liquid of density 900kgm−3.The block is depressed slightly and then released. The time period of the resulting oscillations of the block would be equal to that of a simple pendulum of length (nearly) :

65 cm
52 cm
39 cm
26 cm

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