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Assuming standard notations, which of the following quantities is dimensionless?(a) v/a(b) P/Fv(c) FE/L(d) V^2/gThe question was asked during an online exam.My enquiry is from Dimensional Formulae and Equations in section Units and Measurements of Physics – Class 11

Answer» CORRECT option is (b) P/Fv

Explanation: P/Fv is a DIMENSIONLESS QUANTITY. This is because, power(P) = FORCE(F) x Instantaneous Velocity(v).


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