R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. A decibel is (A) a musical instrument (B) the wavelength of noise (C) a musical note (D) a measure of sound level 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) a measure of sound level You must be Logged in to update hint/solution 💬 Discussion 💬 Comment