R Ravi Chauhan 🎓 Tutor II ⭐ 11.26K Points 📊 Science Q. Wilhelm Rontgen invented (A) Electric bulb (B) Electric motor (C) Radio (D) X–ray machine 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) X–ray machine You must be Logged in to update hint/solution 💬 Discussion 💬 Comment