1.Assertion: S.I. units are logical and coherent. Reason: S.I. system of units is a rationalised system.a.If both the assertion and reason are true and reason is a correct explanation of the assertion.b.If both assertion and reason are true but assertion is not a correct explanation of the assertion.c.If the assertion is true but the reason is false.d.If both assertion and reason are false.Login to continueOnly logged in users canattempt or see the solution.