Given below are two statements:
 Assertion (A): Insects are observed to walk on the surface of water. Reason (R): This is due to the viscous force of water acting on the insect's legs.

 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 (A) is False but (R) is True.
Subtopic: Â Surface Tension |
Â 60%
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Given below are two statements:

 Assertion (A): Water flows through a smooth horizontal tube with a narrowing cross-section and its pressure increases. Reason (R): Bernoulli's equation for fluids states that $$P+\dfrac{1}{2}\rho v^2+\rho gh=$$ constant along a streamline.

 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 (A) is False but (R) is True.
Subtopic: Â Bernoulli's Theorem |
Â 59%
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Given below are two statements:
 Assertion (A): Smaller drops of water resist deformation forces better than larger drops. Reason (R): Excess pressure inside the drop is inversely proportional to its radius.

 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 (A) is False but (R) is True.
Subtopic: Â Surface Tension |
Â 79%
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Given below are two statements:
 Assertion (A): The stream of water flowing at high speed from a garden hose, and pipe tends to spread like a fountain when held vertically up but tends to narrow down when held vertically down. Reason (R): In any steady flow of an incompressible fluid, the volume flow rate of the fluid remains constant.

 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: Â Equation of Continuity |
Â 62%
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Given below are two statements:
 Assertion (A): When height of a tube is less than liquid rise in the capillary tube, the liquid does not overflow. Reason (R): Product of radius of meniscus and height of liquid in capillary tube always remains constant.

 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 (A) is False but (R) is True.
Subtopic: Â Capillary Rise |
Â 70%
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Given below are two statements:
 Assertion (A): If a liquid in a vessel is stirred and left to itself, the motion disappear after few minutes. Reason (R): The moving liquid exerts equal and opposite force.

 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: Â Viscosity |
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Given below are two statements:
 Assertion (A): A large force is required to draw apart normally two glass plates enclosing a thin water film. Reason (R): Water works as glue and sticks two glass plates.

 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 (A) is false but (R) is true.

Subtopic: Â Surface Tension |
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Given below are two statements:
 Assertion (A): The water rises higher in a capillary tube of small diameter than in a capillary tube of large diameter. Reason (R): The height through which liquid rises in a capillary tube is inversely proportional to the diameter of the capillary tube.

 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 (A) is False but (R) is True.
Subtopic: Â Capillary Rise |
Â 91%
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Given below are two statements:
 Assertion (A): A small drop of mercury is spherical but bigger drops are oval in shape. Reason (R): Surface tension of liquid decreases with increase in temperature.

 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 (A) is False but (R) is True.
Subtopic: Â Surface Tension |
Â 63%
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Given below are two statements:
 Assertion (A): To float, a body must displace liquid whose weight is greater than actual weight of the body. Reason (R): During floating the body will experience no net downward force in that case.

 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: Â Archimedes' Principle |
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