Home Physics Fluid Mechanics Assertion & Reason Given below are two statements: Statement-I:…
Physics Fluid Mechanics Assertion & Reason MCQ (Single Correct)

Given below are two statements:

Statement-I: The contact angle between a solid and a liquid is a property of the material of the solid and liquid as well.
Statement-II: The rise of a liquid in a capillary tube does not depend on the inner radius of the tube.
In the light of the above statements, choose the correct answer from the options given below:

A
Both Statement-I and Statement-II are false.
B
Statement-I is true but Statement-II is false.
C
Statement-I is false but Statement-II is true.
D
Both Statement-I and Statement-II are true.

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Text Solution

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The correct answer is:
B

From the ascent formula, rise in capillary,

Thus, rise of a liquid in a capillary tube depends on surface tension (T), density of liquid ( ), contact angle ( ) and inner radius of capillary .

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