A guitar is perfectly tuned. The tension on its strings is then increased. Which
ID: 1378086 • Letter: A
Question
A guitar is perfectly tuned. The tension on its strings is then increased. Which of the following is true?
Question 1 options:
The frequencies of sounds from the guitar are higher than before.
The wavelengths of sounds from the guitar are longer than before.
The speed of sounds from the guitar is larger than before.
The amplitudes of sounds from the guitar are larger.
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Question 2
A vibrating guitar string has exactly one antinode in the middle of the string and two nodes at the end. You have produced an oscillation of the string at its
Question 2 options:
fundamental frequency.
third harmonic frequency.
second harmonic frequency.
fourth harmonic frequency.
The frequencies of sounds from the guitar are higher than before.
The wavelengths of sounds from the guitar are longer than before.
The speed of sounds from the guitar is larger than before.
The amplitudes of sounds from the guitar are larger.
Explanation / Answer
answer 1
frequency of sound is greater
answer 2
fundamental frequency
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