The density \( \rho \) of water of bulk modulus \( B \) at a depth \( y \) in the ocean is relat...

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The density \( \rho \) of water of bulk modulus \( B \) at a depth \( y \) in the ocean is related to the density at surface \( \rho_{0} \) by the relation
(a) \( \rho=\rho_{0}\left[1-\frac{\rho_{0} g y}{B}\right] \)
(b) \( \rho=\rho_{0}\left[1+\frac{\rho_{0} g y}{B}\right] \)
(c) \( \rho=\rho_{0}\left[1+\frac{B}{\rho_{0} h g y}\right] \)
(d) \( \rho=\rho_{0}\left[1-\frac{B}{\rho_{0} g y}\right] \)
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