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Bohr given a model for hydrogen molecule which is also applicable for some lighter atoms in which a one electron revolves around a stationary nucleus of positive charge Ze (known as hydrogen like atom)
Bohr's model is based on the following postulates.
(i) The electron can revolve only in particular discrete non-radiating orbits, named stationary orbits, for which total angular momentum of the revolving electrons is an integral multiple of
Plastics are (A) Good conductors of heat. (B) Good conductors of electricity. (C) Bad conductors of electricity. (D) High density. Ans: Plastics are Bad
A ray of light is incident normally on an equilateral prism of refractive index 3/2 calculate devition. Ans) since the prism is equilateral therefore angle of prism is 60 0 =
why electric field is zero inside a cavity
Q. What is Raman shift? In 1928 Sir C.V. Raman fined out experimentally that the monochromatic light is scattered when it is allowed to pass through a substance. The scattered
when a body is thrown upwards, its velocity becomes zero at the highest point. what will be its acceleration at this point?
Determine the Shear Force in kN rounded to 1 DP and Bending Moment in kN.m rounded to 1 DP at point C in the beam when the UDL for AC on the beam is P52 kN/m and the maximum value
Determine the Magnitude The cantilevered beam shown below has two force couples acting on it as shown. The value of C1 in Newtons is given in P25. Determine the magnitude of
During some kind of process the pressure of 2 mol of nitrogen gas linearly depends on the volume: p = p 0 + kV here p 0 and k are constants. What are the values fo
why +ve half clip below than v_0.7v
What are the disadvantages of polymer fibers optics? The ends of polymer fibers can't operate along with high temperatures. Illuminators or light sources are required with a sc
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