KcetAtoms And NucleiKCET 2021MCQ+1 / -02021In a nuclear reactor heavy nuclei is not used as moderators becauseAthey will break upBelastic collision of neutrons with heavy nuclei will not slow them downCthe net weight of the reactor would be unbearably highDsubstance with heavy nuclei do not occur in liquid or gaseous state at room temperatureCheck AnswerClear SelectionReveal AnswerShow Explanation
