Question:
To what depth must a rubber ball be taken in deep sea so that its volume is decreased by 0.1%.
Solution:
Bulk modulus of rubber = 9.8 × 108 N/m2
Density of sea water = 103 kg/m3
Percentage decrease in volume = 0.1%
Change in pressure, p = hρg
B = ∆P/(∆V/V)
∆P = hρg
h = 100 m