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Let us consider an electron revolving around a nucleus of an atom. The wave train formed by it is as shown in figure. Now, for the wave to be in phase, the circumference of the orbit around the nucleus should be an integral multiple of ...
Electromagnetic waves are very much different from the matter waves and in many ways. a) Speed of matter waves is very much less than the speed of electromagnetic waves. b) Matter waves cannot be radiated in empty space unlike electromagnetic waves. c) Matter waves are just associated with ...
In 1905, it was Einstein who suggested the concept of light having a dual nature; particle and wave nature. In a similar way, Louise de Broglie suggested that electron also exhibits a dual nature. Broglie also got Physics Noble Prize for his this theory. Now, Bohr ...
Though the Bohr and sommerfeld were able to explain the atomic spectra of hydrogen and like species but still there were many anomalies to their theory. Both Bohr’s theory and sommerfeld’s extension to Bohr model were not able explain the spectra of species with more ...
Bohr was able to calculate the radii as well energies of the stationary orbit around the nucleus in an atom and those calculated values were found to be in a good agreement with the experimental values. He also gave the Hydrogen ion spectrum. For these ...
According to Bohr, when an electron from its initial stationary orbit with n= ni jumps to another (lower) stationary orbit with n=nf, it emits energy equal to the difference between the energy of the two stationary orbits in the form of small packets of light ...
There was one major objection to the Rutherford model of atom and Bohr was the one to point it out. So while giving his Theory of hydrogen atom, he took the essential features from the Rutherford model of atom but made a change in order ...
Well it is very much evident that photoelectric effect can only be explained if particle nature of light is considered. But there are some phenomenons like diffraction, polarization of light and interference can only be explained if wave nature of light is considered. So we ...