1.

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

Answer»

Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is FALSE
Both (A) and (R) are false

ANSWER :C


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