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 11 Hz and its wavelength is 2.6 m.
4.23 m/sec
28.6 m/sec
13.6 m/sec
0.24 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?
5.20 meters
1.30 meters
2.60 meters
14.3 meters
omit
Question 3
A string vibrates at 451 Hz with a wavelength of 2.6 meters. If the wavelength is shortened by 0.65 meters, what is its new frequency?
694 Hz
601 Hz
1804 Hz
338 Hz
omit
Question 4
A fundamental fixed-fixed standing wave is generated along a 1.1-meter string when its frequency is 451 Hz. What would be the frequency of a 3rd harmonic wave generated along this same string?
1353 Hz
992 Hz
677 Hz
150 Hz
omit
Question 5
The speed of sound inside a 0.62-meter long open-closed tube (fixed-free) is 346.6 m/sec.What are its first three resonate frequencies?
280 Hz, 559 Hz, 839 Hz
140 Hz, 280 Hz, 419 Hz
140 Hz, 419 Hz, 699 Hz
280 Hz, 839 Hz, 1398 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?
140 Hz, 419 Hz, 699 Hz
140 Hz, 280 Hz, 419 Hz
280 Hz, 839 Hz, 1398 Hz
280 Hz, 559 Hz, 839 Hz
omit
Question 7
The lowest frequency that a conch shell is able to produce is 280 Hz, if the resonating dimension is 0.31 meters and the wave speed is 346.6 m/s, what type of standing wave is being created?
cannot be determined
fixed-free
free-free
fixed-fixed
omit
Question 8
What is the speed of sound in a chamber (fixed-free) that is 2.6 meters deep if sound is resonating at 451 Hz?
293 m/sec
586 m/sec
1173 m/sec
879 m/sec
Copyright © 2007-2020
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton