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Free surface of a liquid behaves like a stretched membrane and tends to assume smallest possible area due to

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Important Questions on Surface Tension

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Physics Crash Course MHT-CET>Chapter 6 - Surface Tension>Exercise 1>Q 24
Surface tension of liquid is 5 Nm-1. If a thin film of area 0.02 m2 is made in a ring then the surface energy will be :
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Physics Crash Course MHT-CET>Chapter 6 - Surface Tension>Exercise 1>Q 54

A molecule of a liquid which reaches the surface from interior gains energy because

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Physics Crash Course MHT-CET>Chapter 6 - Surface Tension>Exercise 1>Q 59
The radius R of the soap bubble is doubled under isothermal condition. If T be the surface tension of the soap bubble, the work done in doing so is given by
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Physics Crash Course MHT-CET>Chapter 6 - Surface Tension>Exercise 1>Q 60
A rectangular film of liquid is extended from (4 cm×2 cm) to (5 cm×4 cm). If the work done is 3×10-4 J, the value of the surface tension of the liquid is
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Physics Crash Course MHT-CET>Chapter 6 - Surface Tension>Exercise 1>Q 64

A glass plate is partly dipped vertically in the mercury and the angle of contact is measured. If the plate is inclined, then the angle of contact will

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Physics Crash Course MHT-CET>Chapter 6 - Surface Tension>Exercise 1>Q 75

The angle of contact for a liquid which wets the surface of a solid is

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Physics Crash Course MHT-CET>Chapter 6 - Surface Tension>Exercise 1>Q 77

When a droplet of water is poured on a-plane surface of a wax, then it will

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Physics Crash Course MHT-CET>Chapter 6 - Surface Tension>Exercise 1>Q 107
Water rises to a height of 16.3 cm in a capillary of height 18 cm above the water level. If the tube is cut at a height of 12 cm,