R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. Coolis tube is used to produce (A) Gama rays (B) X-rays (C) Radio waves (D) Micro waves 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) X-rays You must be Logged in to update hint/solution 💬 Discussion 💬 Comment