Question

1. If a wind instrument, such as a tuba, has a fundamental frequency of 30.1 Hz,...

1. If a wind instrument, such as a tuba, has a fundamental frequency of 30.1 Hz, what is its first overtone? It is closed at one end and the speed of sound is 334 m/s.

2. Find the length of an organ pipe closed at one end that produces a first overtone frequency of 276 Hz when air temperature is 21.3ºC .

3. A “showy” custom-built car has two brass horns that are supposed to produce the same frequency but actually emit 266.7 and 260.3 Hz. What beat frequency is produced?

Plz answer all questions. don't have money for more, will give thumbs up :)

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Answer #1

1. 90.3 Hz.

Solution -

2. Ans L= 0.933 m.

Solution -

3.

Solution -

The beat frequency is the absolute value of the difference of the two frequencies -

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