R Ruchi Sharma 🎓 Tutor III ⭐ 9.87K Points 📊 Physics Q. Echoes are produced due to (A) reflection of sound (B) diffraction of sound (C) refraction of sound (D) polarisation of sound 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) reflection of sound You must be Logged in to update hint/solution 💬 Discussion 💬 Comment