(A) : When an algebraic equation has been derived, it is advisable to check it for dimensional consistency.
(R) : Dimensional correctness of an equation guarantees that it is correct.

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. Both (A) and (R) are false

Answer

C