JEE Main202523 Jan 2025Evening ShiftPhysicsMechanical Properties of FluidsActual
An air bubble of radius 1.0 mm is observed at a depth of 20 cm below the free surface of a liquid having surface tension 0.095 ~J / m ^2 and density 10^3 ~kg / m ^3 . The difference between pressure inside the bubble and atmospheric pressure is _____ N / m ^2 . (Take g =10 ~m / s ^2 )
Correct answer
0
Step-by-step solution
P = P _ in - P ₀ aligned & = gh + 2 ~T R = 1000 10 20 100 + 2 0.095 10⁻³ & =2000+190 & =2190 aligned