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Chapter 1: Problem 83
Which physical quantity has unit of joule - second? (a) velocity (b) plank's constant (c) energy (d) viscosity
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\(1^{\circ}=\ldots \ldots \ldots \ldots \ldots\) (a) \(600^{\prime \prime \prime}\) (b) \(3600^{\prime \prime}\) (c) \(180^{\prime \prime}\) (d) \(3600^{\prime}\)
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
950 dyne \(=\ldots \ldots \ldots \ldots \ldots\) newton (a) \(9.5 \times 10^{-3}\) (b) \(95 \times 10^{-5}\) (c) \(950 \times 10^{-7}\) (d) \(9.5 \times 10^{-4}\)
Equation of physical quantity \(\mathrm{v}=\mathrm{at}+\mathrm{bt}^{2}\) where \(\mathrm{v}=\) velocity \(\mathrm{t}=\) time so write the dimensional formula of a in this equation (a) \(\mathrm{M}^{0} \mathrm{~L}^{1} \mathrm{~T}^{-1}\) (b) \(\mathrm{M}^{1} \mathrm{~L}^{1} \mathrm{~T}^{-1}\) (c) \(\mathrm{M}^{0} \mathrm{~L}^{1} \mathrm{~T}^{-2}\) (d) \(\mathrm{M}^{1} \mathrm{~L}^{2} \mathrm{~T}^{0}\)
Dimensional formula for conductance is ........... (a) \(\mathrm{M}^{-1} \mathrm{~L}^{2} \mathrm{~T}^{-3} \mathrm{~A}^{2}\) (b) \(\mathrm{M}^{1} \mathrm{~L}^{2} \mathrm{~T}^{-2} \mathrm{~A}^{1}\) (c) \(\mathrm{M}^{1} \mathrm{~L}^{-2} \mathrm{~T}^{3} \mathrm{~A}^{2}\) (d) \(\mathrm{M}^{-1} \mathrm{~L}^{-2} \mathrm{~T}^{3} \mathrm{~A}^{2}\)
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