16. Two physical quantities A and B have different dimensions. Which mathematical operation given below is physically possible? (2) A(1 + B) (1) VAB (4) A + B (3) A - B i dimoncionally incorrect?
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Which mathematical operation given below is physically possible? –(1) (AB)^1/2, (2) A(1+B), (3) A–B, (4) A+B. Answer: Option (2), (3) and (4) are ruled out because we can not add two physical quantities that have different dimensions.
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