# Rise with Capillary rise of liquid Online Test

In a capillary tube experiment, a vertical 30 cm long capillary tube is dipped in water. The water rises up to a height of 10cm due to capillary action. If this experiment is conducted in a freely falling elevator, the length of the water column becomes _____.
10 cm
20 cm
30 cm
Zero
Radius of a capillary is  A liquid of weight  may remain in the capillary then the surface tension of liquid will be _____.
In a capillary tube, water rises to 3 mm. The height of water that will rise in another capillary tube having one-third radius of the first is _____.
1 mm
3 mm
6 mm
9 mm
Kerosene oil rises up the wick in a lantern _____.
Due to surface tension of the oil
The wick attracts the kerosene oil
Of the diffusion of the oil through the wick
None of the above
A capillary tube of radius R is immersed in water and water rises in it to a height H. Mass of water in the capillary tube is M. If the radius of the tube is doubled, mass of water that will rise in the capillary tube will now be _____.
M
2M
M/2
4M
Water rises up to a height h in a capillary tube of certain diameter. This capillary tube is replaced by a similar tube of half the diameter. Now the water will rise to the height of _____.
4h
3h
2h
h
Water rises against gravity in a capillary tube when its one end is dipped into water because _____.
Pressure below the meniscus is less than atmospheric pressure
Pressure below the meniscus is more than atmospheric pressure
Capillary attracts water
Of viscosity
A vessel, whose bottom has round holes with diameter of 0.1mm, is filled with water. The maximum height to which the water can be filled without leakage is _____. (S.T. of water =75 dyne/cm, g =1000 cm/s2)
100 cm
75 cm
50 cm
30 cm
Two capillary tubes of radii 0.2 cm and 0.4 cm are dipped in the same liquid. The ratio of heights through which liquid will rise in the tubes is _____.
1 : 2
2 : 1
1 : 4
4 : 1
Water rises in a vertical capillary tube upto a height of 2.0 cm. If the tube is inclined at an angle of  with the vertical, then upto what length the water will rise in the tube _____.
2.0 cm
4.0 cm
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Conceptual questions and numerical questions on capillary rise has been asked in the test

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Kajal Sengupta
Physics 9th to 12 th grade,CIE, Edexcel, AP, IB , CBSE, ICSE
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