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  • A body weighs 250N in air, 200N in water and 150N in liquid. Find the density of the liquid (density of water=1000 <img alt="kg/m^3" src="https://entrancecorner.oncodecogs.com/gif.latex?kg/m%5E3" /

A body weighs 250N in air, 200N in water and 150N in liquid. Find the density of the liquid (density of water=1000 kg/m^3).

 

Option: 1

4000 kg/m^3


Option: 2

1000 kg/m^3


Option: 3

2000 kg/m^3


Option: 4

1050 kg/m^3


Answers (1)

best_answer

\frac{P_b}{P_w} = \frac{w_{air}}{w_{air}-w_{water}}

        = \frac{250}{250-200} = 5

P_{b} = 5 P_{w} = 5000 kg/m^3

Now,

\frac{P_{b}}{P_{l}} = \frac{250}{250-150} = 2.5

P_{l} = \frac{P_{b}}{2.5} = \frac{5000}{2.5} = 2000 kg/m^3

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Gunjita

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