NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS

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If the error in the measurement of the volume of a sphere is 4.5%, then error in the measurement of its surface area is

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Correct option: B

0.03

Option B (0.03) is correct because the error in surface area is twice the error in the radius, and the error in volume is three times the error in the radius.

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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