M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Energy Conversion Q. Barn is (A) spent fuel from a nuclear reactor (B) a unit of area (C) an electronic instrument for rapid counting of radiations (D) a coal that does not form coke 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) a unit of area