Assertion (A) : Angular displacement is a dimensionless quantity but it has unit
Reason (R) : Angular displacement is a supplementary quantity

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Both A and R are true but R is not the correct explanation of the A.

Both A and R are true and R is the correct explanation of the A

A is incorrect, but R is correct

A is correct, but R is incorrect

answer is A.

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Detailed Solution

Change in angular position is called angular displacement it has unit but no dimensions because angular displacement is supplementary physical quantity

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