A bob of a simple pendulum executes shm in water
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He bob of a simple pendulum executes simple harmonic motion in water with a period t , while the period of oscillation of the bob is t0 in air. Neglecting frictional force of water and given that the density of the bob is (4/3) x 1000 kg/m3. What relationship between t and t0 is true ? (1) t = t0 (2) t = t0/2