Question

what is quantum theory of radiation?​

Answer 1

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➡️ Quantum theory developed from the study of the interaction of light and matter. Quantum features of the electromagnetic field were first postulated by Planck in 1900 in order to account for the spectrum of blackbody radiation observed by Lummer and Pringsheim.

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Answer 2

Answer:

Hey mate here is your answer.

Explanation:

When a molecule during a transation. From one quantum theoretically possible state to another absorbs or emits energy in the form of radiation, such an elementary.