Assertion: if two physical quantities have same dimension, then they can be certainly added or subtracted because Reason: if the dimension of both the quantities are same then both the physical quantities should be similar .A. If both assertion and reason are true and reason is the correct explation of assertion.B. If both assertion but reason is not the correct explanation of assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false.

Assertion: if two physical quantities have same dimension, then they c

1.	Assertion: if two physical quantities have same dimension, then they can be certainly added or subtracted because Reason: if the dimension of both the quantities are same then both the physical quantities should be similar .A. If both assertion and reason are true and reason is the correct explation of assertion.B. If both assertion but reason is not the correct explanation of assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false.
Answer» Correct Answer - a The unit for the base quantities are callled the base unit The unit of all physics quantities can be expressed as combinations of the base units.

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