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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS

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Application +4 | -1

The radius of the sphere is

\left( {4.3 \pm 0.1} \right)

cm. The percentage error in its volume is

View answer and explanation

Correct option: A

\frac{{0.1}}{{4.3}} \times 100

Option B (

3 \times \frac{{0.1 \times 100}}{{4.3}}

) is correct because the percentage error in volume is three times the percentage 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}} }}