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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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Which unit of physical quantity remains same for all unit system? (a) meter (b) second (c) ampere (d) kilogram
The length of a rod is \((10.15 \pm 0.06) \mathrm{cm}\) what is the length of two such rods? (a) \((20.30 \pm 0.06) \mathrm{cm}\) (b) \((20.30 \pm 1.6) \mathrm{cm}\) (c) \((10.30 \pm 0.12) \mathrm{cm}\) (d) \((20.30 \pm 0.12) \mathrm{cm}\)
Density of substance in CGS system is \(3.125 \mathrm{gm} / \mathrm{cm}^{3}\) what is its magnitude is SI system ? (a) \(0.3125\) (b) \(3.125\) (c) \(31.25\) (d) 3125
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) \(12 \%\)
The unit of Stefen Boltzman constant \((\sigma)\) is ............ (a) \(\mathrm{w}^{2} \mathrm{~m}^{-2} \mathrm{k}^{-1}\) (b) \(\mathrm{w} \mathrm{m}^{2} \mathrm{k}^{-3}\) (c) \(\mathrm{w} \mathrm{m}^{-2} \mathrm{k}^{4}\) (d) \(\mathrm{w} \mathrm{m}^{-2} \mathrm{k}^{-4}\)
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