📅 NSB 2021🎓 HS🔄 Round 9#️⃣ Q2❓ TOSS-UP✍️ Short Answer
An organ pipe open at one end has a fundamental frequency of 50 hertz. Identify all of the following three frequencies that would remain as harmonics if both ends of the organ pipe were opened to the air: 1) 150 hertz; 2) 250 hertz; 3) 350 hertz.
✔️Answer:NONE
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