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Atomic Physics

If bhor's quantisation postulate is a basic law of nature, it should be equally valid for the case of planetary motion also.why then do we never speak of quantisation of orbits of planets around the sun?

Note by Radhey Shyam Meena
3 years, 4 months ago

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The quantisation postulate is required to keep the wave functions of the particles in phase. However, for large objects or objects with large mass, the wavelength of the wave function is so small, that the wave nature is not experienced.

But, you are correct. The quantisation postulate still applies.

You can calculate the wavelength with De Broglie's formulae

Agnishom Chattopadhyay - 3 years, 4 months ago

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