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Grade: 12th pass
        
 If two soap bubbles of different radii are connected by  a tube.
(a) air flows from the smaller bubble to the bigger.
 (b) air flows from bigger bubble to the smaller bubble till the sizes are interchanged
(c) air flows from the bigger bubble to the smaller bubble till the sizes become equal
(d) there is no flow of air.
3 years ago

Answers : (1)

Aditi Chauhan
askIITians Faculty
396 Points
							

(a). Let pressure outside be P0

? p1 (in smaller bubble ) = P0 + 2T/r

P2 (in bigger bubble ) = P0 + 2T/R (R>r)

? P1 > p2

hence air moves from smaller bubble to bigger bubble.

3 years ago
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