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The oil is sprinkled on sea waves to cal...

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

A

surface tension of water decreases so that oil spreads over water

B

surface tension of water increases so that water spreads over

C

does not affect the surface tension

D

only water surface increases

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The correct Answer is:
A
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Excess pressure due to surface tension )
  1. Capillary does not exist when the liquid is at

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

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

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

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

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

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

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

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

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

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

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

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

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  14. Two separate air bubbles (radii 0.002 cm and 0.004) formed of the same...

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  15. A soap bubble in vacuum has a radius of 3 cm and another soap bubble i...

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  16. What is pressure due to surface tension in spherical drop of glyceri...

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  17. A soap bubble of radius 10^(-2) m is formed . The surface tension of t...

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  18. The ratio of excess pressure inside a soap bubble to the excess of pre...

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  19. If the surface tension of water is 7.3 xx 10^(-2) N/m then the excess...

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  20. Pressure inside two soap bubble are 1.02 and 1.03 atm . Then ratio of ...

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