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If two soap bubbles of different radii a...

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 becomes 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 bubble.

D

there is not flow of air.

Text Solution

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The correct Answer is:
C
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ALLEN-ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 5 A (Previous year Questions)
  1. A cylinder of height 20m is completely filled with water. The velocity...

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  2. Spherical balls of radius 'R' are falling in a viscous fluid of viscos...

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

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  4. A 20 cm long capillary tube is dipped in water. The water rises up to ...

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  5. If the terminal speed of a sphere of gold (density =19.5kg//m^3) is 0....

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  6. A spherical solild of volume V is made of a material of density rho(1)...

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  7. A jar is filled with two non-mixing liquids 1 and 2 haivng densities r...

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  8. A capillary tube (A) is dipped in water. Another identical tube (B) is...

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  9. A spherical solild of volume V is made of a material of density rho(1)...

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  10. Two wires are made of the same material and have the same volume. Howe...

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  11. A ball is made of a material of density rho where rho(oil)ltrholtrho(w...

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  12. Water is flowing continuously from a tap having an internal diameter 8...

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  13. Work done in increasing the size of a soap bubble from a radius of 3cm...

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  14. Two mercury drops (each of radius r) merge to form a bigger drop. The ...

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  15. if a ball of steel (density rho=7.8 g//cm^(3)) attains a terminal velo...

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  16. A thin liquid film formed between a U-shaped wire and a light slider s...

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  17. There is a circular tube in a vertical plane. Two liquids which do not...

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  18. On heating water, bubbles being formed at the bottom of the vessel det...

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  19. If it takes 5 minutes to fill a 15 litre bucket from a water tap diame...

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  20. If two glass plates have water between them and are separated by very ...

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