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 2.4 m.
4.58 m/sec
13.4 m/sec
26.4 m/sec
0.22 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?
1.20 meters
2.40 meters
13.2 meters
4.80 meters
omit
Question 3
A string vibrates at 409 Hz with a wavelength of 2.4 meters. If the wavelength is shortened by 0.6 meters, what is its new frequency?
682 Hz
307 Hz
545 Hz
1636 Hz
omit
Question 4
A fundamental fixed-fixed standing wave is generated along a 1.1-meter string when its frequency is 409 Hz. What would be the frequency of a 3rd harmonic wave generated along this same string?
900 Hz
1227 Hz
614 Hz
136 Hz
omit
Question 5
The speed of sound inside a 0.46-meter long open-closed tube (fixed-free) is 345.4 m/sec.What are its first three resonate frequencies?
375 Hz, 751 Hz, 1126 Hz
188 Hz, 563 Hz, 939 Hz
375 Hz, 1126 Hz, 1877 Hz
188 Hz, 375 Hz, 563 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?
375 Hz, 751 Hz, 1126 Hz
188 Hz, 375 Hz, 563 Hz
375 Hz, 1126 Hz, 1877 Hz
188 Hz, 563 Hz, 939 Hz
omit
Question 7
The lowest frequency that a conch shell is able to produce is 375 Hz, if the resonating dimension is 0.23 meters and the wave speed is 345.4 m/s, what type of standing wave is being created?
free-free
cannot be determined
fixed-fixed
fixed-free
omit
Question 8
What is the speed of sound in a chamber (fixed-free) that is 2.4 meters deep if sound is resonating at 409 Hz?
736 m/sec
491 m/sec
982 m/sec
245 m/sec
Copyright © 2007-2024
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton