R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Science Q. Neutrons are slowed down in a nuclear reactor by (A) Fissionable material (B) Moderator (C) Control rods (D) Cooling system 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Moderator You must be Logged in to update hint/solution 💬 Discussion 💬 Comment