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Pressure
Types of Flows
Properties of Fluids
Archimedes' Principle
Equation of Continuity
Bernoulli's Theorem
Viscosity
Stokes' Law
Surface Tension
Capillary Rise
Q. No.

Given below are two statements: 
Assertion (A): The shape of a liquid drop is spherical.
Reason (R): The pressure inside the drop is greater than that outside.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

Subtopic:  Surface Tension |
 58%
From NCERT
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Assertion: The velocity of a man jumping with a parachute first increases and then becomes constant.
Reason: The constant velocity of the fall of a man is called terminal velocity.
 
1. Both assertion and reason are true and reason is correct explanation of assertion.
2. Both assertion and reason are true but reason is not the correct explanation of assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
Subtopic:  Viscosity |
 64%
From NCERT

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Given below are two statements: 
Assertion (A): At the critical temperature, the surface tension of a liquid becomes zero.
Reason (R): At this temperature, intermolecular forces for liquids and gases become equal. Liquid can expand without any restriction.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
 
Subtopic:  Surface Tension |
 82%
From NCERT
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Given below are two statements: 
Assertion (A): A needle placed carefully on the surface of the water may float, whereas a ball of the same material will always sink.
Reason (R): The buoyancy of an object depends both on the material and shape of the object.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Archimedes' Principle |
From NCERT
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Given below are two statements: 
Assertion (A): The shape of an automobile is so designed that its front resembles the streamlined pattern of the fluid through which it moves.
Reason (R): The resistance offered by the fluid is maximum.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Bernoulli's Theorem |
 60%
From NCERT
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Given below are two statements: 
Assertion (A): If the speed of a fluid element increases as it travels along a horizontal streamline, the viscosity of the fluid must decrease.
Reason (R): Bernoulli's equation is applicable for all types of fluid flow.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Viscosity |
From NCERT
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Given below are two statements: 
Assertion (A): Machine parts are jammed in winter.
Reason (R): The viscosity of lubricant used in machine parts increases at low temperatures.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Viscosity |
 86%
From NCERT
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Given below are two statements: 
Assertion (A): A hydrogen-filled balloon stops rising after it has attained a certain height in the sky.
Reason (R): The atmospheric pressure decreases with height and becomes zero when maximum height is attained.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Archimedes' Principle |
From NCERT
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Given below are two statements: 
Assertion (A): When a capillary tube is dipped into mercury, the mercury level in the tube falls.
Reason (R): Mercury is a very viscous liquid.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Capillary Rise |
From NCERT
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Given below are two statements: 
Assertion (A): Specific gravity of a fluid is a dimensionless quantity.
Reason (R): It is the ratio of the density of the fluid to the density of water.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Properties of Fluids |
 90%
From NCERT
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Select Chapter Topics:
filter
Pressure
Types of Flows
Properties of Fluids
Archimedes' Principle
Equation of Continuity
Bernoulli's Theorem
Viscosity
Stokes' Law
Surface Tension
Capillary Rise
Q. No.

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