All Problems

Liquids. Capillary effects

Problem 2.163

Find the pressure in an air bubble of diameter d=4.0μmd=4.0 \mu \mathrm{m} located in water at a depth h=5.0 mh=5.0 \mathrm{~m}. The atmospheric pressure has the standard value p0p_{0}

Reveal Answer
p=p0+ρgh+4α/d=2.2 atm. p=p_{0}+\rho g h+4 \alpha / d=2.2 \text { atm. }