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11th West Bengal Board
IMPORTANT
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What is the relation between surface tension and surface energy ?

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Important Questions on Fluid Statics

MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 53
If we  increases of temperature, the surface tension of a liquid
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 54
Find Work done in increasing the size of a soap bubble of radius 3 cm to 5 cm is nearly (surface tension of soap solution =0.03 Nm-1). Surface area is
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 55
if T is the surface tension, two mercury drops (each of radius r) merge to form a bigger drop. The surface energy of the bigger drop.
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 56
On the surface of the liquid in equilibrium, molecules of the liquid possess
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 57
Find the angle of contact, when a liquid does not wet the sides of solid.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 58
Two soap bubbles A and B are kept in a closed chamber where the air is maintained at pressure 8 Nm-2. The radii of bubble A and B are 2 cm and 4 cm respectively. Surface tension of the soap bubble is 0.04 Nm-1. Find the ratio nBnA, where nA and nB are the number of moles of air in bubble A and B respectively.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 59
Soap bubbles can be formed floating in air by blowing soap solution in air, but not water bubbles & with the help of a glass tube. It is because
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 60
Force across an imaginary diameter on the surface of the liquid, when a beaker of radius 15 cm is filled with a liquid of surface tension 0.075 Nm-1.