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Chapter 1: Problem 57
What is the ratio of 10 micron to 1 nanometer? (a) \(10^{4}\) (b) \(10^{3}\) (c) \(10^{16}\) (d) \(10^{15}\)
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A cube has numerically equal volume and surface area calculate the volume of such a cube. (a) 2000 Unit (b) 216 Unit (c) 2160 Unit (d) 1000 Unit
Heat produced in a current carrying conducting wire is \(\mathrm{H}=\mathrm{I}^{2} \mathrm{Rt}\) it percentage error in $\mathrm{I}, \mathrm{R}\( and \)\mathrm{t}\( is \)2 \%, 4 \%\( and \)2 \%$ respectively then total percentage error in measurement of heat energy \(\ldots \ldots \ldots\) (a) \(8 \%\) (b) \(15 \%\) (c) \(5 \%\) (d) \(10 \%\)
Which physical quantity has unit of pascal - second? (a) Force (b) Energy (c) Coefficient of viscosity (d) velocity
A particle has an acceleration of \(72 \mathrm{~km} / \mathrm{min}^{2}\) find acceleration in SI system. (a) \(0.5 \mathrm{~m} / \mathrm{s}^{2}\) (b) \(30 \mathrm{~m} / \mathrm{s}^{2}\) (c) \(18 \mathrm{~m} / \mathrm{s}^{2}\) (d) \(20 \mathrm{~m} / \mathrm{s}^{2}\)
unit of universal gravitational constant is ............ (a) \(\mathrm{kg} \mathrm{m} \mathrm{sec}^{-1}\) (b) \(\mathrm{N} \mathrm{m}^{-1} \mathrm{sec}\) (c) \(\mathrm{N} \mathrm{m}^{2} \mathrm{~kg}^{-2}\) (d) \(\mathrm{N} \mathrm{m} \mathrm{kg}^{-1}\)
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