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JEE Main 2014 Physics question

PhysicsUnits and MeasurementJEE Main 2014

From the following combinations of physical constants (expressed through their usual symbols) the only combination, that would have the same value in different systems of units, is:

Answer: (2)

Solution

A combination has the same numerical value in every system of units only if it is dimensionless. The quantity is the ratio of the

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Question ID VK-104525