Chapter 1: Problem 66
Wave length of light radiation $0.000015 \mathrm{~m}=\ldots \ldots \ldots \ldots .$ (a) 15 micron (b) \(1.5\) micron (c) 150 micron (d) \(0.15\) micron
Chapter 1: Problem 66
Wave length of light radiation $0.000015 \mathrm{~m}=\ldots \ldots \ldots \ldots .$ (a) 15 micron (b) \(1.5\) micron (c) 150 micron (d) \(0.15\) micron
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Get started for freeA cube has numerically equal volume and surface area calculate the volume of such a cube. (a) 2000 Unit (b) 216 Unit (c) 2160 Unit (d) 1000 Unit
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) \(11 \times 10^{8} \mathrm{~m}\)
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) \((2.43 \pm 0.001) \mathrm{cm}\)
Which physical quantity is represented by $\mathrm{M}^{1} \mathrm{~L}^{1} \mathrm{~T}^{-3} \mathrm{~A}^{-1} ?$ (a) Stress (b) Resistance (c) Electric field (d) potential Difference
Dimensional formula for power is (a) \(\mathrm{M}^{2} \mathrm{~L}^{-2} \mathrm{~T}^{-3}\) (b) \(\mathrm{M}^{1} \mathrm{~L}^{2} \mathrm{~T}^{-2}\) (c) \(\mathrm{M}^{1} \mathrm{~L}^{3} \mathrm{~T}^{-1}\) (d) \(\mathrm{M}^{0} \mathrm{~L}^{2} \mathrm{~T}^{-2}\)
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