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Chapter 1: Problem 18
What is full name of ESR ? (a) Electric space Radar (c) Electron spin Resonance (b) Electron space Range (d) Electric spin Resonance
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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
Match column - I with column - II $$ \begin{array}{|l|l|} \hline \multicolumn{1}{|c|} {\text { Column - I }} & \multicolumn{1}{|c|} {\text { Column - II }} \\ \hline \text { (1) capacitance } & \text { (a) } \mathrm{M}^{1} \mathrm{~L}^{1} \mathrm{~T}^{-3} \mathrm{~A}^{-1} \\ \hline \text { (2) Electricfield } & \text { (b) } \mathrm{M}^{1} \mathrm{~L}^{2} \mathrm{~T}^{-1} \\ \hline \text { (3) planck's constant } & \text { (c) } \mathrm{M}^{-1} \mathrm{~L}^{-2} \mathrm{~T}^{4} \mathrm{~A}^{2} \\ \hline \text { (4) Angular momentum } & \text { (d) } \mathrm{M}^{1} \mathrm{~L}^{2} \mathrm{~T}^{-1} \\ \hline \end{array} $$ (a) \(a, c, b, d\) (b) \(c, a, d, b\) (c) \(c, a, b, d\) (d) \(a, b, d, c\)
\(1^{\circ}=\ldots \ldots \ldots \ldots \ldots\) (a) \(600^{\prime \prime \prime}\) (b) \(3600^{\prime \prime}\) (c) \(180^{\prime \prime}\) (d) \(3600^{\prime}\)
The significant figures in \(500.5000\) are \(\ldots \ldots \ldots \ldots \ldots\) (a) 5 (b) 3 (c) 7 (d) 6
Write the dimensional formula of r.m.s (root mean square) speed. (a) \(\mathrm{M}^{1} \mathrm{~L}^{2} \mathrm{~T}^{-2}\) (b) \(\mathrm{M}^{0} \mathrm{~L}^{2} \mathrm{~T}^{-2}\) (c) \(\mathrm{M}^{0} \mathrm{~L}^{1} \mathrm{~T}^{-1}\) (d) \(\mathrm{M}^{1} \mathrm{~L}^{0} \mathrm{~T}^{-1}\)
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