Physics-Surface Tension

NEET Physics Surface Tension Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 11

Assertion (A): The capillary rise of a liquid in a tube is due to surface tension. | Reason (R): The pressure inside the tube at the meniscus is greater than the atmospheric pressure.

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 but R is true.

Correct Answer

Option C

Detailed Explanation

The assertion is true as the capillary rise is due to surface tension. The reason is false because the pressure inside the tube at the meniscus is less than atmospheric pressure, not greater.

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