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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

Both statement 1 and statemet 2 are true and statement 2 is the correct explanation of statement 1.

B

Both statement 1 and statement 2 are true but statement 2 is not the correct explanantion of statement 1

C

Statement 1 is true but statement 2 is false.

D

Statement 1 is false but statement 2 is false.

Text Solution

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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.

NARAYNA-MECHANICAL PROPERTIES OF FLUIDS-Statement Type Questions
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  9. Statement-1 : For rotational equilibrium of floating bodies, meta cent...

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

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  12. Statement I: Droplets of liquid are usually more spherical in shape th...

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  13. Statement I: Spraying of water causes cooling. Statement II: For an i...

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  16. Statement I: As radius of soap bubble increases, the insude pressure i...

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