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Chapter 1: Problem 21
At present state, there are \(\ldots \ldots \ldots \ldots . .\) fundamental forces in nature. (a) \(\operatorname{six}\) (b) four (c) two (d) five
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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
The significant figures in \(500.5000\) are \(\ldots \ldots \ldots \ldots \ldots\) (a) 5 (b) 3 (c) 7 (d) 6
Unit of momentum physical quantity? (a) newton - second (b) newton/second (c) Joule (d) Joule/second
How many significant numbers are there in \((2.30 \pm 4.70) \times 10^{5} ?\) (a) 3 (b) 4 (c) 2 (d) 5
\(1 \mathrm{~g}=\ldots \ldots \ldots \ldots \ldots\) amu (a) \(6.02 \times 10^{23}\) (b) \(6.02 \times 10^{-23}\) (c) \(1.66 \times 10^{-27}\) (d) \(1.66 \times 10^{27}\)
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