Practice Problems
Assorted Resonance
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Question 1
What is the wave speed of a wave traveling through a long spring if its frequency is 11 Hz and its wavelength is 2.1 m.
13.1 m/sec
5.24 m/sec
0.19 m/sec
23.1 m/sec
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Question 2
Given that the spring in
Question 1
does not change, what would be the wave's new wavelength if the frequency of oscillation were to be doubled?
1.05 meters
11.6 meters
4.20 meters
2.10 meters
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Question 3
A string vibrates at 597 Hz with a wavelength of 2.1 meters. If the wavelength is shortened by 0.525 meters, what is its new frequency?
2388 Hz
796 Hz
448 Hz
1137 Hz
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Question 4
A fundamental fixed-fixed standing wave is generated along a 1.1-meter string when its frequency is 597 Hz. What would be the frequency of a 3rd harmonic wave generated along this same string?
1313 Hz
199 Hz
896 Hz
1791 Hz
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Question 5
The speed of sound inside a 0.73-meter long open-closed tube (fixed-free) is 343.6 m/sec.What are its first three resonate frequencies?
235 Hz, 471 Hz, 706 Hz
118 Hz, 235 Hz, 353 Hz
235 Hz, 706 Hz, 1177 Hz
118 Hz, 353 Hz, 588 Hz
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Question 6
If the tube in
Question 5
was now opened on both ends (free-free), what would be its new first three resonate frequencies?
235 Hz, 471 Hz, 706 Hz
118 Hz, 235 Hz, 353 Hz
118 Hz, 353 Hz, 588 Hz
235 Hz, 706 Hz, 1177 Hz
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Question 7
The lowest frequency that a conch shell is able to produce is 235 Hz, if the resonating dimension is 0.365 meters and the wave speed is 343.6 m/s, what type of standing wave is being created?
cannot be determined
free-free
fixed-free
fixed-fixed
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Question 8
What is the speed of sound in a chamber (fixed-free) that is 2.1 meters deep if sound is resonating at 597 Hz?
313 m/sec
1254 m/sec
940 m/sec
627 m/sec
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton