The bulk modulus of water is 2.1 x 10^9 N/m^2. The pressure required to increase the density of water by 0.1% is ?

change in vol/original vol=original density/ change in vol

since mass remains constant

Bulk modulus=Pressure/(original density/change in vol.)

 2.1*10^9 *(100/0.1)=Pressure

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