Suppose you have just bought an excellent concert grand piano and you want it to be put in perfect tune. So you summon a first-rate piano tuner who tunes the piano by matching it to selected tuning forks. He sounds the piano and fork together and listens for beats. How long will it take the piano tuner to do a perfect tuning job? The answer is about forever. Why?
Archive for 'beats'
Suppose a piano tuner hears 3 beats per second when listening to the combined sound from a tuning fork and the?
the piano wire being tuned. After slightly tightening the string, 5 beats per second are heard. Should the string be loosened or tightened? Explain.