selection rule

Questions

What does selection rule mean?

Any of several general rules concerning the transitions between the states of a quantum mechanical system; they derive from the symmetry properties of the states and of their interactions

How to pronounce selection rule

1. Open the pronunciation page — Open the Speakur entry for “selection rule”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “selection rule”.
4. Repeat and practice — Say “selection rule” aloud, matching stress and vowels until it feels natural.