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Chapter 1: Problem 2
The SI unit of time is (a) second (b) minute (c) hour
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The number of significant figures in \(1.20 \times 10^{2}\) is (a) 3 (b) 2 (c) 5 (d) 4
4\. Density of a substance in SI units is (a) \(\mathrm{mol} \mathrm{L}^{-1}\) (b) \(\mathrm{kg} \mathrm{m}^{-3}\) (b) \(\mathrm{gL}^{-1}\) (d) \(\mathrm{g} \mathrm{cm}^{-3}\)
Conversion between Fahrenheit and Celsius degrees can be achieved through the relation (a) \({ }^{\circ} \mathrm{F}=\frac{9}{5}\left({ }^{\circ} \mathrm{C}\right)+32\) (b) \({ }^{\circ} \mathrm{F}=\frac{5}{9}\left({ }^{\circ} \mathrm{C}\right)+32\) (c) \({ }^{\circ} \mathrm{C}=\frac{9}{5}\left({ }^{\circ} \mathrm{F}\right)+32\) (d) \({ }^{\circ} \mathrm{C}=\frac{5}{9} \quad\left({ }^{\circ} \mathrm{F}\right)+32\)
\(10^{2}\) multiple of a quantity is represented as (a) centi (b) \(\operatorname{deci}\) (c) hecto (d) deca
The measurements of length taken by a student are \(15.5 \mathrm{~cm}\) and \(15.6 \mathrm{~cm}\) whereas the true value is \(16 \mathrm{~cm}\). The measurement taken by the student are (a) precise (b) accurate (c) not precise (d) neither precise not accurate
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