NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS

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Dimensions of the following three quantities are the same

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Correct option: D

Pressure, stress, coefficient of elasticity

Option D (Pressure, stress, coefficient of elasticity) is correct because all three quantities are defined as force per unit area, hence they share the same dimensions [ML⁻¹T⁻²].

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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

\frac{1}{{\sqrt {{\varepsilon _0}{\mu _0}} }}

is that of