JEE Main20248 Apr 2024Morning ShiftPhysicsMechanical Properties of FluidsActual
A liquid column of height 0.04 ~cm balances excess pressure of a soap bubble of certain radius. If density of liquid is 8 10^3 ~kg ~m ⁻³ and surface tension of soap solution is 0.28 Nm ⁻¹ , then diameter of the soap bubble is _____ cm . (if g=10 ~m ~s ⁻² )
Correct answer
0
Step-by-step solution
aligned & gh = 4 ~S R & R = 4 0.28 8 10^3 10 4 10⁻⁴ & 0.28 8 ~m = 28 8 ~cm & R =3.5 ~cm aligned Diameter =7 ~cm