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Chapter 1: Problem 17
What is full name of ECG ? (a) Electron cardiograph (c) Electron colour gram (b) Electro cardiograph (d) Electric colour graph
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Which physical quantity is represented by $\mathrm{M}^{-1} \mathrm{~L}^{-3} \mathrm{~T}^{3} \mathrm{~A}^{2}$ ? (a) Resistivity (b) Resistance (c) conductance (d) conductivity
Write the unit of surface tension in SI system. (a) \(\left(\mathrm{N} / \mathrm{m}^{2}\right)\) (b) \((\mathrm{N} / \mathrm{m})\) (c) \(\left[\right.\) (dyne) \(\left./\left(\mathrm{cm}^{2}\right)\right]\) (d) \([(\) dyne \() /(\mathrm{cm})]\)
Which physical quantity has dimensional formula as \(\mathrm{CR}\) where \(\mathrm{C}\) - capacitance and \(\mathrm{R}\) - Resistance? (a) Frequency (b) current (c) Time period (d) acceleration
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) \(\mathrm{M}^{1} \mathrm{~L}^{1} \mathrm{~T}^{-1}\)
Which physical quantity is represented by $\mathrm{M}^{1} \mathrm{~L}^{3} \mathrm{~T}^{-3} \mathrm{~A}^{-2}$ ? (a) Resistivity (b) Resistance (c) conductance (d) conductivity
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