Chapter 1: Problem 34
How much times is the strong nuclear force stronger then electro magnetic force ? (a) \(10^{13}\) (b) \(10^{2}\) (c) \(10^{-13}\) (d) \(10^{-2}\)
Chapter 1: Problem 34
How much times is the strong nuclear force stronger then electro magnetic force ? (a) \(10^{13}\) (b) \(10^{2}\) (c) \(10^{-13}\) (d) \(10^{-2}\)
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Get started for freeIf the length of rod \(\mathrm{A}\) is \((2.35 \pm 0.01) \mathrm{cm}\) and that of \(\mathrm{B}\) is \((5.68 \pm 0.01) \mathrm{cm}\) then the rod \(\mathrm{B}\) is longer than \(\mathrm{rod} \mathrm{A}\) by \(\ldots\) (a) \((2.43 \pm 0.00) \mathrm{cm}\) (b) \((3.33 \pm 0.02) \mathrm{cm}\) (c) \((2.43 \pm 0.01) \mathrm{cm}\) (d) \((2.43 \pm 0.001) \mathrm{cm}\)
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 percentage error in the distance \(100 \pm 5 \mathrm{~cm}\) is ... (a) \(5 \%\) (b) \(6 \%\) (c) \(8 \%\) (d) \(20 \%\)
Write dimensional formula of coefficient of viscosity (a) \(\mathrm{M}^{1} \mathrm{~L}^{2} \mathrm{~T}^{-1}\) (b) \(\mathrm{M}^{-1} \mathrm{~L}^{1} \mathrm{~T}^{1}\) (c) \(\mathrm{M}^{1} \mathrm{~L}^{-1} \mathrm{~T}^{-1}\) (d) \(\mathrm{M}^{1} \mathrm{~L}^{1} \mathrm{~T}^{-1}\)
In an experiment to determine the density of a cube the percentage error in the measurement of mass is \(0.25 \%\) and the percentage error in the measurement of length is \(0.50 \%\) what will be the percentage error in the determination of its density? (a) \(2.75 \%\) (b) \(1.75 \%\) (c) \(0.75 \%\) (d) \(1.25 \%\)
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