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A light hollow cube of side length 10 cm and mass 10g, is floating in water. It is pushed down and released to execute simple harmonic oscillations. The time period of oscillations is y π × 10 –2 s, where the value of y is (Acceleration due to gravity, g = 10 m/s 2 , density of water = 10 3 kg/m 3 )

1. 2
2. 6
3. 4
4. 1

Correct answer: 2

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