The density of water at the surface of the ocean is `rho`. If the bulk modulus of water is B then, what is the density of ocean water at a depth, where the pressure is `nP_(0)`,(`P_(0)` is the atmospheric pressure)

Explanation

Increase in Pressure
`(DeltaP)=nP_(0)=(n-1)P_(0)`
From `M=rhoV`, the decrease in volume due to increase in pressure `DeltaP` is
`DeltaV=(V DeltaP)/(B)`
`V.=V-DeltaV=V-(VDeltaP)/(B)=(V)/(B) (B-DeltaP)`
`rho.=(M)/(V.)=(rhoV)/(V.)`
`(rhoB)/((B-DeltaP)) =(rhoB)/((B-(n-1)P_(0)))`