What is the experimental evidence


What is the experimental evidence in support of the idea that electronic energies in an atom are quantized?


The bright-line spectrum shows that the energy levels in an atom are quantized. These lines are obtained as a result of electronic transitions between the energy .and if

the electronic energy levels were continuous and not quantized or discrete; the atomic spectra would have shown a continuous absorption(from lower to higher energy

level transition) or emission (from higher to lower energy level transition.

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