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Chapter 1: Problem 16
What is full form of AFM ? (a) Automatic force microscope (b) Atomic force mirror (c) Automatic fire microscope (d) Atomic force microscope
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What is the number of significant figures in \(5.50 \times 10^{3}\) ? (a) 2 (b) 7 (c) 3 (d) 4
In the experiment of simple pendulum error in length of pendulum \((\ell)\) is \(5 \%\) and that of \(g\) is \(3 \%\) then find percentage error in measurement of periodic time for pendulum (a) \(4.2 \%\) (b) \(1.2 \%\) (c) \(2 \%\) (d) \(4 \%\)
The resistance \(\mathrm{R}=\mathrm{V} / \mathrm{I}\) where $\mathrm{V}=100 \pm 5\( volts and \)\mathrm{I}=10 \pm 0.3$ amperes calculate the percentage error in \(\mathrm{R}\) (a) \(8 \%\) (b) \(10 \%\) (c) \(12 \%\) (d) \(14 \%\)
Dimensional formula for capacitance (C) (a) \(\mathrm{M}^{-1} \mathrm{~L}^{-2} \mathrm{~T}^{4} \mathrm{~A}^{2}\) (b) \(\mathrm{M}^{1} \mathrm{~L}^{-2} \mathrm{~T}^{4} \mathrm{~A}^{2}\) (c) \(\mathrm{M}^{-1} \mathrm{~L}^{-2} \mathrm{~T}^{3} \mathrm{~A}^{1}\) (d) \(\mathrm{M}^{3} \mathrm{~L}^{1} \mathrm{~T}^{-1} \mathrm{~A}^{-2}\)
unit of universal gravitational constant is ............ (a) \(\mathrm{kg} \mathrm{m} \mathrm{sec}^{-1}\) (b) \(\mathrm{N} \mathrm{m}^{-1} \mathrm{sec}\) (c) \(\mathrm{N} \mathrm{m}^{2} \mathrm{~kg}^{-2}\) (d) \(\mathrm{N} \mathrm{m} \mathrm{kg}^{-1}\)
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