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 13 Hz and its wavelength is 2.5 m.
0.19 m/sec
32.5 m/sec
15.5 m/sec
5.20 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?
16.3 meters
1.25 meters
5.00 meters
2.50 meters
omit
Question 3
A string vibrates at 403 Hz with a wavelength of 2.5 meters. If the wavelength is shortened by 0.625 meters, what is its new frequency?
537 Hz
645 Hz
302 Hz
1612 Hz
omit
Question 4
A fundamental fixed-fixed standing wave is generated along a 1.3-meter string when its frequency is 403 Hz. What would be the frequency of a 3rd harmonic wave generated along this same string?
604 Hz
134 Hz
1048 Hz
1209 Hz
omit
Question 5
The speed of sound inside a 0.67-meter long open-closed tube (fixed-free) is 346 m/sec.What are its first three resonate frequencies?
258 Hz, 516 Hz, 775 Hz
258 Hz, 775 Hz, 1291 Hz
129 Hz, 258 Hz, 387 Hz
129 Hz, 387 Hz, 646 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?
129 Hz, 258 Hz, 387 Hz
129 Hz, 387 Hz, 646 Hz
258 Hz, 775 Hz, 1291 Hz
258 Hz, 516 Hz, 775 Hz
omit
Question 7
The lowest frequency that a conch shell is able to produce is 258 Hz, if the resonating dimension is 0.335 meters and the wave speed is 346 m/s, what type of standing wave is being created?
free-free
fixed-free
fixed-fixed
cannot be determined
omit
Question 8
What is the speed of sound in a chamber (fixed-free) that is 2.5 meters deep if sound is resonating at 403 Hz?
504 m/sec
252 m/sec
756 m/sec
1008 m/sec
Copyright © 2007-2021
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton