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When hydrogen atom is excited, it returns to its normal unexcited (or ground state) state by emitting the energy it had absorbed previous. This energy is given out by the atom in the form of radiations of different wavelengths as the electron jumps down
from a higher to a lower orbit. Transition from dissimilar orbits cause dissimilar wavelengths, these constitute spectral series which are characteristic of the atom emitting them. When observed through a spectroscope, these radiations are imaged as sharp and straight vertical lines of a one color.
Number of neutron in C 12 is (1)6 (2)7 (3)8 (4)9 Ans: (1)6
Determine and plot for 5 keV to 100 MeV the fraction of the total cross section due to each of the four interaction processes for (a) hydrogen, (b) nitrogen, (c) aluminum,
Choose and research an industry where there has been a pattern of change in a particular market model (monopoly, oligopoly, etc.). Write a four to five (4-5) page paper in which
Relativity principle: The principle, employed through Einstein's relativity theories, that the laws of physics are the similar, at least qualitatively, in all of frames. That
Erika is on an elevator and presses the button to go down. When the elevator first begins moving, it has an acceleration of 2.5 m/s 2 downward. Erika and the elevator have
What do some fiber change the color of light? Actually, all fibers change the color of the light in one technique or other. Because of the physical characteristics of the condu
What is a pure spectrum? provide an example. What do you mean by impure spectrum? show an example.
What are the advantages of polymer fibers optics? The spectral transmission of PMMA fibers is not easy to enhance upon, the quality of the light transmitted over distances long
Object A attracts object B with a gravatational force of 10 newtons from a given distance. If the distance between the two objects is doubled, what is the changed force of attracti
Q. What is a fuse wire? i) Fuse wire is an alloy of lead 37% as well as tin 63%. It is linked in series in an electric circuit. ii) It has high resistance as well as low mel
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