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The excess pressure inside the drop of a...

The excess pressure inside the drop of a liquid of surface tension T and radius of drom r is

A

4 T/r

B

2T/r

C

r/2T

D

r/4T

Text Solution

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The correct Answer is:
B
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Excess pressure due to surface tension )
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  2. The excess pressure inside the drop of a liquid of surface tension T ...

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  3. Internal pressure inside a liquid drop of radius r and surface tension...

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  4. Excess pressure inside a soap bubble of radius r and surface tension ...

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  5. Which of the following statement is not correct about a soap bubble ?

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  6. When a drop of liquid splits upto a number of drops,

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  7. Excess pressure can be (2T//R) for

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  8. Capillary does not exist when the liquid is at

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  9. If for a liquid in a vessle, force of a cohesion is twice of adhession...

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  10. The oil is sprinkled on sea waves to calm them down. Why ?

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  11. The hot soup taste better than cold soup , surface tension of hot soup...

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  12. If more aire is pushed in a soap bubble the pressure in it

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  13. The pressure just below the meniscus of mercury compared to pressure j...

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  14. Two tooth - pricks are floating very near and parallel to each other o...

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

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  16. If more air is brown into a soap bubble , the pressure

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  17. Excess pressure inside a drop of water of radius 2 mm , is 70 "N/m"^(...

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  18. The excess pressure inside one soap bubble is three times that inside ...

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  19. Two spherical soap bubbles of a radii 1 cm and 2 cm vacuum coalesce un...

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  20. Two capillary tubes of radii 0.2 cm and 0.4 cm are dipped in the same ...

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