IGNOU MCH 20 2026 - Explain the origin of atomic spectrum.

Question

Explain the origin of atomic spectrum.

21 Jan 2026

Answer :

Word Count : 253

The origin of atomic spectrum can be explained based on the interaction of electromagnetic radiation with atoms, leading to the absorption or emission of discrete energy quanta. Atoms consist of a nucleus surrounded by electrons that occupy specific energy levels or orbitals. According to quantum theory, these energy levels are quantized, meaning electrons can exist only in certain allowed energy states and not

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