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The spider and insect move and run about...

The spider and insect move and run about on the surface of water without sinking because

A

Elastic membrane is formed on water due to property of surface tension

B

Spiders and insects are lighter

C

Spiders and insects swim on water

D

Spider and insects experience upthrust

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The correct Answer is:
A
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ERRORLESS -SURFACE TENSION-Exercise
  1. The temperature at which the surface tension of water is zero (1) 37...

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  2. A small air bubble is at the inner surface of the bottom of a beaker f...

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  3. The spider and insect move and run about on the surface of water witho...

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  4. Small droplets of a liquid are usually more spherical in shape than la...

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  5. When a shaving brush is taken out of water its hair cling together, wh...

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  6. A square wire frame of side L is dipped in a liquid. On taking out , a...

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  7. Water does not wet an oily glass because

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  8. A water drop takes the shape of a sphere in a oil while the oil drop s...

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  9. Which of the fact is not due to surface tension

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  10. In the glass capillary tube, the shape of the surface of the liquid de...

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  11. Force necessary to pull a circular plate of 5cm radius from water surf...

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  12. The property of surface tension is obtained in

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  13. The surface tension of a liquid with rise of temperature.

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  14. If two glass plates are quite nearer to each other in water, then ther...

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  15. On mixing the salt in water, the surface tension of water will

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  16. The maximum force, in addition to the weight required to pull a wire o...

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  17. Consider a liquid contained in a vessel. The liquid solid adhesive for...

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  18. At which of the following temperatures, the value of surface tension o...

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  19. If a glass rod is dipped in mercury and withdrawn out, the mercury doe...

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  20. Mercury does not wet glass, wood or iron because

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