R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Science Q. The waves used in sonography are (A) Ultrasonic waves (B) Infra-red waves (C) Sound waves (D) Micro waves 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) Ultrasonic waves You must be Logged in to update hint/solution 💬 Discussion 💬 Comment