Question

What is spontaneous emissions in laser
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Answer 1

Explanation:

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Spontaneous emission is the process in which a quantum mechanical system (such as a molecule, an atom or a subatomic particle) transitions from an excited energy state to a lower energy state (e.g., its ground state) and emits a quantized amount of energy in the form of a photon.

Answer 2

• Spontaneous emissions in laser is a quantum effect,leading to spontaneous decay of eager state of atoms and ions.

(now I written the definition which I was knowing kindly)

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