If two soap bubbles of different radii are connected bya 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.
Amit Saxena , 10 Years ago
Grade upto college level
1 Answers
Navjyot Kalra
Last Activity: 10 Years ago
(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.
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