Waves – Vibrations of Strings & Air Columns (Organ Pipes)

Grade 11 Physics — Waves – Vibrations of Strings & Air Columns (Organ Pipes): 25 practice questions with instant scoring and explanations.

1. A closed organ pipe is closed at:
2. An open organ pipe is open at:
3. Closed end of an organ pipe is a:
4. Open end of an organ pipe is a:
5. Fundamental frequency of closed pipe of length L is:
6. Fundamental frequency of open pipe of length L is:
7. Closed organ pipe supports:
8. Open organ pipe supports:
9. The 3rd harmonic of closed pipe has frequency:
10. An open pipe and closed pipe of same length have fundamental ratio:
11. If a closed pipe's length doubles, fundamental frequency:
12. Quality/timbre of sound depends on:
13. Loudness of sound depends on:
14. Pitch of sound depends on:
15. Audible range for humans is approximately:
16. Ultrasonic waves have frequency:
17. Infrasonic waves have frequency:
18. End correction in organ pipes arises due to:
19. For open pipe, effective length = L + 2e where e is:
20. Speed of sound in air at 27°C is approximately:
21. A sonometer is used to study:
22. The velocity of transverse wave on sonometer wire depends on:
23. Resonance tube experiment determines:
24. In resonance tube, first resonance length L₁ corresponds to:
25. Second resonance length in resonance tube is approximately: