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Chapter 1: Problem 63
100 watt hour \(=\ldots \ldots \ldots \ldots \ldots\) joule. (a) \(3.6 \times 10^{5} \mathrm{~J}\) (b) \(3.6 \times 10^{6} \mathrm{~J}\) (c) \(36 \times 10^{5} \mathrm{~J}\) (d) \(36 \times 10^{6} \mathrm{~J}\)
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Which physical quantity has unit of pascal - second? (a) Velocity (b) viscosity (c) energy (d) coefficient of viscosity
If $\mathrm{P}=\left[\left(\mathrm{A}^{2} \mathrm{~B}\right) /\left(\mathrm{C}^{3}\right)\right]\( where percentage error in \)\mathrm{A}, \mathrm{B}\( and \)\mathrm{C}$ are respectively \(\pm 2 \% \pm 3 \%\) and \(\pm 5 \%\) then total percentage error in measurement of \(\mathrm{p}\) (a) \(18 \%\) (b) \(14 \%\) (c) \(21 \%\) (d) \(12 \%\)
What is the least count of vernier callipers? (a) \(10^{-4} \mathrm{~m}\) (b) \(10^{-5} \mathrm{~m}\) (c) \(10^{-2} \mathrm{~m}\) (d) \(10^{-3} \mathrm{~m}\)
\( 1\) parsec \(=\ldots \ldots \ldots \ldots \ldots\) (a) \(10^{-15} \mathrm{~m}\) (b) \(1.496 \times 10^{11} \mathrm{~m}\) (c) \(1.496 \times 10^{15} \mathrm{~m}\) (d) \(3.08 \times 10^{16} \mathrm{~m}\)
Which of the following system of unit is not based on only units of mass length and time. (a) SI (b) \(\mathrm{MKS}\) (c) CGS (d) FPS
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