STANDARDPhysics-Rotational Motion
STANDARD Physics Angular Displacement Assertion Reason Question
Type: Assertion Reason-conceptual-Medium
Assertion: Angle and angular displacement are dimensionless quantities. Reason: Angle is equal to arc length divided by radius.
A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true but reason is not the correct explanation of assertion.
C
If assertion is true but reason is false.
D
If both assertion and reason are false.
Correct Answer
Option A
Detailed Explanation
The angle is calculated as the ratio of arc length to radius, both of which have the dimension of length, making the angle dimensionless. Therefore, both the assertion and reason are true, and the reason correctly explains the assertion.
Found an issue with this question?