Question

What will be the bulk modulus, if the compressibility of water is `4 xx 10^(-5)` per unit atmospheric pressure?
A. `2.533 xx 10^(9) Nm^(-2)`
B. `3.354 xx 10^(9) Nm^(-2)`
C. `2.233 xx 10^(9) Nm^(-2)`
D. `4.562 xx 10^(9) Nm^(-2)`

Answer 1

Bulk modulus (B) `= (1)/("Compressibility") = (1)/(K)`
`= (1)/(4 xx 10^(-5)) = 0.25 xx 10^(5) atm`
`= 0.25 xx 10^(5) xx 1.013 xx 10^(5) Nm^(-2)`
`= 2.533 xx 10^(9) Nm^(-2)`