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A rapid and sudden fall in barometric height indicates

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Important Questions on Fluid Statics

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11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 48
Of the following, which one is the dimension of surface tension ?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 49
Of the following, which one is the unit of surface tension ? 
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11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 50
If several small drops of water coalesce to form a large drop,
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11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 51
If a large drop of water breaks into several small drops, energy
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11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 52
What is the relation between surface tension and surface energy ?
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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.