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Three surfaces of liquids are shown here. Find the correct statements.

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Important Questions on Viscosity and Surface Tension

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Alpha Question Bank for Medical: Physics>Chapter 14 - Viscosity and Surface Tension>Exercise-1>Q 24
A thin wire is bent in the form of a ring of diameter 3.0 cm. The ring is placed horizontally on the surface of soap solution and then raised up slowly. Upward force necessary to break the film formed between the ring and the solution is -
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Alpha Question Bank for Medical: Physics>Chapter 14 - Viscosity and Surface Tension>Exercise-1>Q 26
A spherical liquid drop of radius R is divided into 8 equal droplets. If surface tension is T, then work done in the process will be :
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Alpha Question Bank for Medical: Physics>Chapter 14 - Viscosity and Surface Tension>Exercise-1>Q 27
The shape of a liquid drop is spherical due to its property of :
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Alpha Question Bank for Medical: Physics>Chapter 14 - Viscosity and Surface Tension>Exercise-1>Q 28
The energy required to blow a bubble of radius 4 cm and 3 cm in the same liquid is in the ratio of :
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Alpha Question Bank for Medical: Physics>Chapter 14 - Viscosity and Surface Tension>Exercise-1>Q 29

When a large bubble rises from the bottom of a lake to the surface, its radius doubles. If atmospheric pressure is equal to that of column of water height H, then the depth of lake is 

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Alpha Question Bank for Medical: Physics>Chapter 14 - Viscosity and Surface Tension>Exercise-1>Q 30
When charge is given to a soap bubble, it shows:
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Alpha Question Bank for Medical: Physics>Chapter 14 - Viscosity and Surface Tension>Exercise-1>Q 31

A soap - bubble with a radius ' r ' is placed on another bubble with a radius R (figure). Angles between the films at the points of contact will be -

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Alpha Question Bank for Medical: Physics>Chapter 14 - Viscosity and Surface Tension>Exercise-1>Q 32
A liquid rises in a capillary tube when the angle of contact is