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Tuning a Piano To tune middle C on a piano, a tuner hits
Chapter 14, Problem 81P(choose chapter or problem)
Problem 81P
Tuning a Piano To tune middle C on a piano, a tuner hits the key and at the same time sounds a 261-Hz timing fork. If the tuner hears 3 beats per second, what arc the possible frequencies of the piano key?
Questions & Answers
QUESTION:
Problem 81P
Tuning a Piano To tune middle C on a piano, a tuner hits the key and at the same time sounds a 261-Hz timing fork. If the tuner hears 3 beats per second, what arc the possible frequencies of the piano key?
ANSWER:
Solution 81P
Step 1 of 2
For the given case, we need to calculate the possible key frequencies of the piano key. It is given that the tuner hears 3 beats per second, which is other words the beat frequency is given to be and at the same time the sound is heard from a timings fork with frequency
.
Given data,
Beat frequency,
Timings fork with frequency,
To find,
Possible key frequencies,