Q140. What is the term for an excited state of an atom or molecule that has a significantly longer lifetime than ordinary excited states?Physics — NUST Mock By IBAGRADS 2 — Question 140 of 200A. Ground stateB. Ionized stateC. Metastable stateD. Ordinary excited statePractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →