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Statement I: Smaller drops of liquid res...

Statement I: Smaller drops of liquid resist deforming forces better than the larger drops.
Statement II: Excess pressure inside a drop is directly proportional to its surface area.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false

D

If the assertion and reason both are false

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The correct Answer is:
B
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These questions consist two statements each, printed as Assertion and reason, while answering these question you are required to choose any one of the following four responsis: (a) If both the assertion and reason are true and reason is a true explanation of the assertion. (b) If both the assertion and reason are true but the reason is not the correct explanation of assertion. (c ) If the assertion is true but reason is false. (d) If both the assertion and reason are false. Q. Assertion: Smaller drops of liquid resist deforming forces better than the larger drops. Reason: Excess pressure inside a drop is directly proportional to its surface area.

Assertion: A tiny drops of liquid resist deforming forces better than bigger drops Reason:Excess pressure inside a drop is directly proportional to the Surface tension.

Derive an expression for excess pressure inside a drop of liquid.

Small droplets of liquid are usually more spherical in shape than larger drops of the same liquid because

Small droplets of a liquid are usually more spherical in shape than larger drops of the same liquid because

Statement-1: Two identical conincal pipes shown in figure have a drop of water. The water drop tens to move towards tapered end. Statement-2: Excess pressure is directed towards centre of curvature and inversely proportional to radius of curvature. Net excess pressure is therefore, directed towards tapered end. So the water drop tends to move towards tapered end.

Statement I: Droplets of liquid are usually more spherical in shape than large drops of the same liquid. Statement II: Force of surface tension predominates force of gravity in case of small drops.

ERRORLESS -SURFACE TENSION-Exercise
  1. In the following questions, a statement of assertion is followed by a ...

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

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  3. Statement I: Smaller drops of liquid resist deforming forces better th...

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  4. Assertion : The water rises higher in a capillary tube of small diame...

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  5. Statement-1: hot soup tastes better than the cold soup. Statement-2:...

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  6. Assertion : The shape of a liquid drop is spherical. Reason : The ...

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  7. A soap film of surface tension 3 xx 10^(-2)N//m formed in a rectangula...

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  8. Energy required to form a soap bubble of diameter 20 cm will be (Surfa...

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  9. The work done in blowing a soap bubble of volume V is W. The work done...

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  10. Surface tension of soap solution is 2 xx 10^(-2) N//m . The work done ...

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  11. The execc pressure inside the first soap bubble is three times that in...

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  12. When a capillary tube is dipped in water, water rises upto 8cm in the ...

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  13. A bubble of 8 mm diameter is formed in the air. The surface tension of...

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  14. The height upto which water will rise in a capillary tube will be:

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  15. Water rises to a height of 10 cm in capillary tube and mercury falls t...

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  16. The angle of contact between glass and water is 0^@ and surface tensi...

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  17. A drop of water breaks into two droplets of equal size. In this proces...

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  18. A soap bubble of radius R is blown. After heating the solution a secon...

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  19. A false statement is

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  20. The diameter of rain-drop is 0.02 cm . If surface tension of water be ...

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