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At critical temperature, the surface ten...

At critical temperature, the surface tension of a liquid

A

is zero

B

is infinity

C

is same as that any other temperature

D

cannot be determined.

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In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c ) If assertion is true but reason is false. (d) If assertion and reason are false. Q. Assertion: At critical temperature, surface tension of a liquid becomes zero. ltbr. Reason: At this temperature intermolecular forces for liquids and gases become equal. Liquid can expand without any restriction.

Assertion : At critical temperature, surface tension of liquids becomes zero. Reason : At critical temperature, intermolecular forces for liquids and gases become equal. Liquids can expand without restriction.

At critical temperature surface tension becomes

A : On increasing temperature the angle of contact generally decreases. R: With rise in temperature, the surface tension of liquid increases.

Statement-1: The angle of contact of a liquid decrease with increase in temeperature Statement-2: With increase in temperature the surface tension of liquid increase.

Assertion : The angle of contact of a lilquid with a solid decreases with increase in temperature. Reason : With increase in temperature, the surface tension of the liquid increases.

What is the effect of temperature on the surface tension of a liquid ?

If temperature increases, the surface tension of a liquid

SL ARORA-Mechanical Properties of fluids-Exercise
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  2. The surface tension of a liquid with rise of temperature.

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  3. At critical temperature, the surface tension of a liquid

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  4. A capillary tube of radius r is immersed in water and water rises in t...

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  5. Water is filled in a container upto height 3m. A small hole of area 'a...

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  6. A solid sphere having volume V and density rho floats at the interface...

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  7. Statement-1: The size of a hydrogen increases as it rises in air. St...

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  8. Statement I: A hydrogen-filled balloon stops rising after it has attai...

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  9. Assertion: In taking into account the fact that any object, which floa...

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  10. Statement-1: Machine parts are jammed in winter. Statement-2: The vi...

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  11. Assertion:- For Reynolds number R(e)gt2000m, the flow of fluid is turb...

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  12. Assertion: The shape of an automobile is so designed that its front re...

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  13. Statement-1: A thin stainless steel needle can lay floating on a still...

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  14. Statement I: A needle placed carefully on the surface of water may flo...

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  15. Smaller drops of liquid resist deforming forces better than the larger...

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  16. When height of a tube is less than liquid rise in the capillary tube, ...

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  17. STATEMENT-1: The stream of water flowing at high speed from a garden h...

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  18. Assertion: To floats, a body must displace liquid whose weight is grea...

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  19. Statement I: A small drop of mercury is spherical where bigger drops a...

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  20. In the following questions, a statement of assertion is followed by a ...

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