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The metallic bob of a simple pendulum has the relative density .The time period of this pendulum is T. If the metallic bob is immersed in water, then the new time period is given by
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When the bob is immersed in water its effective weight= (mg-mρg) = mg(ρ-1ρ) ∴geff = g(ρ-1ρ)T'T = ggeff ⇒T' = Tρ(ρ-1)Talk to our academic expert!
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The system shown in figure is in equilibrium. The mass of the container with liquid is M, density of liquid in the container is and the volume of the block is V. If the container is now displaced downwards through a distance x0 and released such that the block remains well inside the liquid, then during subsequent motion,
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