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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
The potential difference across a 4 ohm resistor is 20 volts. Suppose that all of the energy dissipated by this resistor is in the form of heat, how many joules of heat are ra
Light is normally incident on a thin soap film and is reflected. If the wavelength of this light is "L" and the index of refraction of the soap film is "N", complete destructive i
(i) Effect of temperature: (a) In general elasticity reduces as the temperature increases. (b) Invar is an exception. There is no effect of temperature on elasticity of in
derive an expression for density of states and hence deduce an expression for carrier concentration of metals
Car Rear Ends Truck Collisions among objects are governed through laws of momentum and energy. While a collision occurs within an isolated system, the total momentum of the sys
experiment measuring moment of magnet
Why we feel sky blue in color? The blue color of the sky is because of Rayleigh scattering. As light moves by the atmosphere, most of the longer wavelengths pass straight thr
In a pool game a .17kg cue ball traveling at .75 m/s in the plus x direction hits a stationary eight ball. The eight ball moves off with velocity of .25 m/s at an angle of 37 degre
WHat is torque
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