Prove that Vor’s quantum postulates contradict classical mechanics and electrodynamics. Why were they formulated as postulates?

Postulate 1 states that the energy of stationary states of an atom cannot have any values, which contradicts classical mechanics. This postulate also contradicts classical electrodynamics, since according to it, the electron, having centripetal acceleration when rotating around the nucleus, does not emit electromagnetic waves. Postulate 2 also contradicts classical electrodynamics, since according to Maxwell’s equations, the radiation frequency of an electron depends on the characteristics of its motion, and not only on the change in the energy of the atom. A postulate is an initial position, an assumption taken without proof. Bohr’s postulates are applicable only for the hydrogen atom, and also contradict classical mechanics.

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