P Praveen Singh 🎓 Tutor III ⭐ 36.81K Points 📊 Physics Q. Who discovered cosmic ray? (A) James Watt (B) Milikan (C) Brequet (D) Cavendish 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Milikan You must be Logged in to update hint/solution 💬 Discussion 💬 Comment