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In a capillary tube experiment, a vertic...

In a capillary tube experiment, a vertical 30 cm long capillary tube is dipped in water. The water rises up to a height of 10 cm due to capillary action. If this experiment is conducted in a freely falling elevator, the length of te water column becomes

A

`10 cm`

B

`20 cm`

C

`30 cm`

D

Zero

Text Solution

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The correct Answer is:
C
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ERRORLESS -SURFACE TENSION-Exercise
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  2. The surface tension for pure water in a capillary tube experiment is

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  4. Radius of a capillary is 2xx10^(-3)m. A liquid of weight 6.28xx10^(-4)...

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  5. Two long capillary tubes A and B of radius R(B) gt R(A) dipped in sam...

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  7. When a capillary is dipped in water, water rises 0.015 m in it. If the...

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  8. In a capillary tube, water rises to 3 mm . The height of water that wi...

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  9. Kerosene oil rises up the wick in a lantern

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  10. Water rises against gravity in a capillary tube when its one end is di...

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  11. A capillary tube of radius R is immersed in water and water rises in i...

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  12. Water rises up to a height h in a capillary tube of certain diameter. ...

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  14. If a number of little droplets of water, each of radius r, coalesce to...

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  17. The correct curve between the height or depression h of liquid in a ca...

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  18. A soap bubble is blown with the help of mechanical pump at the mouth o...

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  19. Which graph represents the variation of surface tension with temperatu...

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