Practice Problems
Assorted Resonance
Directions:
On this worksheet you will be investigating examples of resonance.
omit
Question 1
What is the wave speed of a wave traveling through a long spring if its frequency is 8 Hz and its wavelength is 2.3 m.
3.48 m/sec
0.29 m/sec
18.4 m/sec
10.3 m/sec
omit
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?
4.60 meters
9.2 meters
2.30 meters
1.15 meters
omit
Question 3
A string vibrates at 463 Hz with a wavelength of 2.3 meters. If the wavelength is shortened by 0.575 meters, what is its new frequency?
805 Hz
1852 Hz
617 Hz
347 Hz
omit
Question 4
A fundamental fixed-fixed standing wave is generated along a 0.8-meter string when its frequency is 463 Hz. What would be the frequency of a 3rd harmonic wave generated along this same string?
1389 Hz
695 Hz
741 Hz
154 Hz
omit
Question 5
The speed of sound inside a 0.37-meter long open-closed tube (fixed-free) is 344.8 m/sec.What are its first three resonate frequencies?
466 Hz, 1398 Hz, 2330 Hz
233 Hz, 699 Hz, 1165 Hz
466 Hz, 932 Hz, 1398 Hz
233 Hz, 466 Hz, 699 Hz
omit
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?
233 Hz, 699 Hz, 1165 Hz
466 Hz, 932 Hz, 1398 Hz
466 Hz, 1398 Hz, 2330 Hz
233 Hz, 466 Hz, 699 Hz
omit
Question 7
The lowest frequency that a conch shell is able to produce is 466 Hz, if the resonating dimension is 0.185 meters and the wave speed is 344.8 m/s, what type of standing wave is being created?
fixed-free
cannot be determined
fixed-fixed
free-free
omit
Question 8
What is the speed of sound in a chamber (fixed-free) that is 2.3 meters deep if sound is resonating at 463 Hz?
1065 m/sec
266 m/sec
532 m/sec
799 m/sec
Copyright © 2007-2020
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton