Question: A hydrometer whose dimensions are given in the figure is used to measure the density of varying fluids. The mass of the apparatus, not

A hydrometer whose dimensions are given in the figure is used to

A hydrometer whose dimensions are given in the figure is used to measure the density of varying fluids. The mass of the apparatus, not including the mass of the mercury at the bottom, is mody. If the hydrometer is immersed in water whose density is P, then half of the upper cylinder is immersed in water (the scale h/2 is at the water level). If a lighter fluid of density np, with n

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