R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. Natural radioactivity was discovered by (A) Enrico Fermi (B) Ernest Rutherford (C) Marie Curie (D) Henri Becquerel 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) Henri Becquerel You must be Logged in to update hint/solution 💬 Discussion 💬 Comment