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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
A windmill is operating in a 10 m/s wind that has a density of 1.2 kg/m 3 . The diameter of the windmill is 4 m. The constant-pressure (atmospheric) stream tube has a diameter of 3
The nature of anode rays depends upon: (1) Nature of electrode (2) Nature of residual gas (3) Nature of discharge tube (4) All the above Ans:(2) Nature of residual
Q. What is band emission spectrum? Give an example. It consists of a numerous bright bands with a sharp edge at one end but fading out at the other end. Band spectra are acquir
how and why CPH Theory does gainsay the relativity? Answer; Never a CPH Theory gainsays the relativity. It can explain relativistic conceptions. Mainly; A. CPH Theory does c
What are fibers optics made of? For visible light or lighting purposes spectrum transmission, several types of fibers are used. Glass in very suitable strands which have to be
A light ray is reflected off a plane mirror at an angle of 25° from the normal. A light ray from another source is reflected 54° from the normal. What is the dissimilarity i
Which of the following are isoelectronic with one another: (1)Na + ans Ne (2)K + ans O (3)Ne ans O (4)Na + ans K + Ans: Na + ans Ne
one of scrooges relatives visited him in the counting house. who was it and what did he want ........................... i couldnt found a subject with reading
An organ pipe which is open at both ends resonates at its fundamental frequency. Neglecting any end effects, what wavelength is formed by this pipe in this mode of vibration if the
malaria is caused by? please tell me
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