Question:

2.On heating water, bubbles beings formed at the bottom of the vessel detach and rise. Take the bubbles to be spheres of radius R and making a circular contact of radius r with the bottom of the vessel. If r…R, and the surface tension of water is T. value of r just before bubbles detach is

Options :

  • a) R^2√(2ρωg/3T)
  • b) R^2√(ρωg/6T)
  • c) R^2√(ρωg/T)
  • d) R^2√(3ρωg/T)

Answer :

a) R^2√(2ρωg/3T)

Answer Steps :

Solution :-

Step1 :-

Step2 :-

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