Physics-(general)
NEET Physics (general) Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 12
Assertion (A): A physical balance relies on the principle of comparing an unknown mass with standard masses to determine its gravitational mass. | Reason (R): A physical balance measures mass by using a set of standard masses arranged in circular grooves.
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
The physical balance works on the principle of comparing an unknown mass with a set of standard masses, which are indeed arranged in circular grooves as part of the equipment. This setup is essential for the balance's functioning.
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