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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS

1 Medium

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Understanding +4 | -1

The dimensions of

1/2\,\varepsilon {E^2}

are same as

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Correct option: A

Energy density (energy per unit volume)

Option A (Energy density (energy per unit volume)) is correct because the expression

1/2 \epsilon E^2

represents the energy density stored in an electric field.

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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

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