R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. The waveform of a certain signal can be studied by (A) p-n junction diode (B) Spectrometer (C) Cathode ray oscilloscope (D) Sonometer 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) Sonometer You must be Logged in to update hint/solution 💬 Discussion 💬 Comment