The process of energy release as an electron transitions from an excited state to a lower energy state.

उत्सर्जन प्रक्रिया

English Usage: The deexcitation of the atom occurred when it emitted a photon.

Hindi Usage: जब परमाणु ने एक फोटॉन उत्सर्जित किया, तब उत्सर्जन प्रक्रिया हुई।