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If two soap bubbles of different radii are connected by a tube 

a)

air flows from the bigger bubble to the smaller bubble till the sizes become equal

b)

air flows from bigger bubble to the smaller bubble till the sizes are interchanged

c)

air flows from the smaller bubble to the bigger

d)

there is no flow of air


Question ID - 57388 | Toppr Answer

If two soap bubbles of different radii are connected by a tube 

a)

air flows from the bigger bubble to the smaller bubble till the sizes become equal

b)

air flows from bigger bubble to the smaller bubble till the sizes are interchanged

c)

air flows from the smaller bubble to the bigger

d)

there is no flow of air

1 Answer - 5876 Votes

3537

Answer Key : (c) -

(c)

Let radius of curvature of the common internal film surface of the double bubble formed be r’. Then, excess of pressure as

compared to atmosphere inside and

The pressure difference is



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