Organ Pipes & Resonance Tube
A tuning fork of frequency 340 Hz is vibrated just above a tube of 120 cm height. Water is slowly poured in the tube. What is the minimum height of water necessary for resonance?
Show answer and solution
Answer: (a)
- Taking m/s: m.
- Resonating lengths: cm; within 120 cm the longest is 75 cm.
- Minimum water height cm
- So the answer is (a) 45 cm.