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The weight of a constant immersion hydro...

The weight of a constant immersion hydrometer is 15 gwt. When it is immersed in a liquid, few more lead shots were added to it so that it floats at the same depth as in water. If the weight of the hydrometer now is 20 gwt, find its relative density.

Text Solution

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`R.D.=("Weight of the tube for certain immersion in liquid")/("Weight of the tube for the same immersion in water")=(20 g_(wt))/(15 g_(wt))`
R.D. =1.33
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