Physics-(general)
NEET Physics (general) Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 12
Assertion (A): The accuracy of a physical balance is enhanced by the sharpness of the knife-edge. | Reason (R): A sharper knife-edge reduces friction between the knife-edge and the plate.
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 the reason correctly explains the assertion as the sharpness of the knife-edge minimizes friction, which improves accuracy.
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