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Chapter 1: Problem 1
Physics is one of the basic disciplines in the category of ..... sciences. (A) Astro (B) Natural (C) Space (D) Genetic
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Which of the following numerical value have significant figure \(4 ?\) (a) \(1.011\) (b) \(0.010\) (c) \(0.001\) (d) \(0.100\)
If \(\mathrm{A}=\mathrm{b}^{4}\) the fractional error in \(\mathrm{A}\) is $\ldots \ldots \ldots \ldots$ (a) \(\left[(\Delta \mathrm{b})^{4} /(\mathrm{b})\right]\) (b) \([\Delta \mathrm{b} / \mathrm{b}]\) (c) \(4[(\Delta \mathrm{b}) /(\mathrm{b})]\) (d) \((\Delta \mathrm{b})^{4}\)
Addition of measurement \(15.225 \mathrm{~cm}, 7.21 \mathrm{~cm}\) and $3.0 \mathrm{~cm}\( in significant figure is \)\ldots \ldots \ldots$ (a) \(25.43 \mathrm{~cm}\) (b) \(25.4 \mathrm{~cm}\) (c) \(25.435 \mathrm{~cm}\) (d) \(25.4350 \mathrm{~cm}\)
Which physical quantity has unit of pascal - second? (a) Force (b) Energy (c) Coefficient of viscosity (d) velocity
One planet is observed from two diametrically opposite point \(\mathrm{A}\) and \(\mathrm{B}\) on the earth the angle subtended at the planet by the two directions of observations is \(1.8^{\circ}\). Given the diameter of the earth to be about \(1.276 \times 10^{7} \mathrm{~m}\). What will be distance of the planet from the earth? (a) \(40.06 \times 10^{8} \mathrm{~m}\) (b) \(4.06 \times 10^{8} \mathrm{~m}\) (c) \(400.6 \times 10^{13} \mathrm{~m}\) (d) \(11 \times 10^{8} \mathrm{~m}\)
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