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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS
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and are four different physical quantities having different dimensions. None of them is dimensionless. But we know that the equation holds true. Then which of the combination is not a meaningful quantity?
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Correct option: D
Option D ((A-C)/D) is correct because for (A-C) to be meaningful, A and C must have the same dimensions, but the problem states they have different dimensions.
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Statement-I: Random errors can be positive or negative.
Statement-II: Cause of random errors are uncertain. An object is moving through the liquid. The viscous damping force acting on it is proportional to the velocity. Then dimension of constant of proportionality is The error due to parallax is a: 2.34 is obtained by rounding of the number The dimensional formula of self-inductance is The dimension of is that of
Statement-II: Cause of random errors are uncertain. An object is moving through the liquid. The viscous damping force acting on it is proportional to the velocity. Then dimension of constant of proportionality is The error due to parallax is a: 2.34 is obtained by rounding of the number The dimensional formula of self-inductance is The dimension of is that of