Physics-Surface Tension
NEET Physics Surface Tension Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 11
Assertion (A): The capillary rise in a tube is directly proportional to the surface tension of the liquid. | Reason (R): The pressure difference at the meniscus is given by (2S cos θ)/a.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false.
Correct Answer
Option A
Detailed Explanation
Both statements are true and related as the capillary rise is due to surface tension, as given by the equation (2S cos θ)/a.
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