1. Tardigrade
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  3. Physics
  4. Assertion: Angle and angular displacement are dimensionless quantities. Reason: Angle is equal to arc length divided by radius.

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Q. Assertion : Angle and angular displacement are dimensionless quantities.
Reason : Angle is equal to arc length divided by radius.

Physical World, Units and Measurements

Solution:

Correct answer is (a) If both assertion and reason are true and reason is the correct explanation of assertion