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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Dimensional constants are the quantities whose magnitudes are constant. Reason R: Dimensional constants are always unitless. In the light of the above statements, choose the correct answer from the options given below:
A
A is true but R is false.
B
A is false but R is true.
C
Both A and R are true and R is the correct explanation of A.
D
Both A and R are true but R is NOT the correct explanation of A.
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