EASY
JEE Main/Advance
IMPORTANT
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Which of the following statements are true in case, when two water drops coalesce and make a bigger drop ?
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Important Questions on Viscosity and Surface Tension
MEDIUM
JEE Main/Advance
IMPORTANT
The radii of the two columns in a -tube are and . When a liquid of density '' (angle of contact is ) is filled in it, the level difference of the liquid in the two arms is ''. The surface tension of the liquid is :
( - accelaration due to gravity)
EASY
JEE Main/Advance
IMPORTANT
If work done to make a bubble of volume with soap solution is , then using same solution work done to make a bubble of volume is :
EASY
JEE Main/Advance
IMPORTANT
A thin metal ring of internal radius and external radius is supported horizontally from the pan of a balance so that it comes in contact with water in a glass vessel. It is found that an extra weight of is required to pull the ring out of water. The surface tension of water is
EASY
JEE Main/Advance
IMPORTANT
Water rises in a capillary tube to a height . it will rise to a height less than
EASY
JEE Main/Advance
IMPORTANT
The force required to drag a circular ring flat plate of radius on the surface of water is (ST of water is dyne/cm):
EASY
JEE Main/Advance
IMPORTANT
The work done in increasing the size of a rectangular soap film with dimensions to is The surface tension of film is :
EASY
JEE Main/Advance
IMPORTANT
A capillary tube is filled with liquid up to a height of . The reading when the capillary tube is tilted to an angle of is :
EASY
JEE Main/Advance
IMPORTANT
Radius of a capillary is . A liquid of weight may remain in the tube if surface tension of the liquid will be :
