Question

How much should the pressure on a litre of water be changed to compress it by 0.10%?

Answer 1

(Take Bulk modulus of elasticity of water = 2.2 x 10⁹ Nm^-2)

Given:

V = 1 litre = 10^-3 m³

ΔV/V = 0.10/100 = 10^-3

B = pV/ΔV

or, p = BΔV/V = (2.2 x 10⁹) x 10^-3 = 2.2 x 10⁶ Pa