Chapter 1: Problem 8
\( \quad \ldots \ldots \ldots \ldots \ldots\). is a branch of physics in which heat engine and refrigerator efficiency is studied. (a) optics (b) Thermodynamics (c) Mechanics (d) Quantum physics
Chapter 1: Problem 8
\( \quad \ldots \ldots \ldots \ldots \ldots\). is a branch of physics in which heat engine and refrigerator efficiency is studied. (a) optics (b) Thermodynamics (c) Mechanics (d) Quantum physics
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Get started for freeThe significant figures in \(500.5000\) are \(\ldots \ldots \ldots \ldots \ldots\) (a) 5 (b) 3 (c) 7 (d) 6
If the length of rod \(\mathrm{A}\) is \((2.35 \pm 0.01) \mathrm{cm}\) and that of \(\mathrm{B}\) is \((5.68 \pm 0.01) \mathrm{cm}\) then the rod \(\mathrm{B}\) is longer than \(\mathrm{rod} \mathrm{A}\) by \(\ldots\) (a) \((2.43 \pm 0.00) \mathrm{cm}\) (b) \((3.33 \pm 0.02) \mathrm{cm}\) (c) \((2.43 \pm 0.01) \mathrm{cm}\) (d) \((2.43 \pm 0.001) \mathrm{cm}\)
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) \(11 \times 10^{8} \mathrm{~m}\)
100 watt hour \(=\ldots \ldots \ldots \ldots \ldots\) joule. (a) \(3.6 \times 10^{5} \mathrm{~J}\) (b) \(3.6 \times 10^{6} \mathrm{~J}\) (c) \(36 \times 10^{5} \mathrm{~J}\) (d) \(36 \times 10^{6} \mathrm{~J}\)
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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