Question

An electron from excited state jumps to a lower energy shell, n=1 and during this transition it radiates and electri-magnetic radiation. In which region of electro-magnetic spectrum will it belongs?​

Answer 1

The photoelectric effect provided indisputable evidence for the existence of the photon and thus the particle-like behavior of electromagnetic radiation. The concept of the photon, however, emerged from experimentation with thermal radiation, electromagnetic radiation emitted as the result of a source’s temperature, which produces a continuous spectrum of energies. More direct evidence was needed to verify the quantized nature of electromagnetic radiation. In this section, we describe how experimentation with visible light provided this evidence.

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Answer 2

Answer:

IT BELONGS TO THE ULTRA VIOLET REGION AND IT IS A LYMANN SERIES SPECTRAL LINE