How things work college course/Waves (Physics Classroom)/Testbank

File:Quizbankdatabase htw Waves (PC).pdf Quizbank/How to use testbank

Waves_Physics_classroom

edit

If you are reading this as a Wikiversity page, proper pagebreaks should result if printed using your browser's print option. On Chrome, Explorer, and Firefox, this option is available in the upper right hand corner of your screen. But, pagebreaks do not render properly if you use "Printable version" on Wikiversity's Print/export option on the left-hand sidebar.

This document contains either a study guide OR pairs of exams taken from the same exam bank
If two exams have the same s-number, then v1 and v2 have the same questions, presented in different (random) order.
Exams with different s-numbers have different questions and may not have the same difficulty.
Click items in the table of contents and appropriate page should be reached. This feature should allow you to print only those pages that you need.
At the end of this document
Attribution for the quizzes identifies where the questions were obtained
Study guide links reading materials and/or relevant equations.

Waves_Physics_classroom-v1s1

edit

1. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

___ a) the low density rope supports a wave with a higher speed
___ b) the low density rope supports a wave with a lower frequency
___ c) the low density rope supports a wave with a higher frequency
___ d) the low density rope supports a wave with a lower speed


2.   Two signals (dashed) add to a solid

___ a) dissonance
___ b) fifth
___ c) octave


3.  These two pulses will collide and produce

___ a) negative interference
___ b) positive interference
___ c) positive diffraction
___ d) negative diffraction


4. If you start moving towards a source of sound, the pitch becomes

___ a) higher
___ b) unchanged
___ c) lower


5.   Two signals (dashed) add to a solid

___ a) fifth
___ b) octave
___ c) dissonance


6. When a wave is reflected off a stationary barrier, the reflected wave

___ a) has higher frequency than the incident wave
___ b) has lower amplitude than the incident wave
___ c) both of these are true


7. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

___ a) the wavelength gets longer
___ b) the wavelength stays the same
___ c) the wavelength gets shorter


8. Why don't we hear beats when two different notes on a piano are played at the same time?

___ a) The beats happen so many times per second you can't hear them.
___ b) Reverberation usually stifles the beats
___ c) Echo usually stifles the beats
___ d) The note is over by the time the first beat is heard


9. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

___ a) 50
___ b) 60
___ c) 20
___ d) 40
___ e) 30


10. Comparing a typical church to a professional baseball stadium, the church is likely to have

___ a) reverberation instead of echo
___ b) echo instead of reverberation
___ c) both reverberation and echo
___ d) neither reverberation nor echo


11. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

___ a) The difference in path lengths creates more reverberation.
___ b) Rough walls make for a louder sound.
___ c) The difference in path lengths creates more echo.


12. If a source of sound is moving towards you, the pitch becomes

___ a) unchanged
___ b) higher
___ c) lower


13.  These two pulses will collide and produce

___ a) positive interference
___ b) negative diffraction
___ c) positive diffraction
___ d) negative interference


14.   Two signals (dashed) add to a solid

___ a) dissonance
___ b) fifth
___ c) octave


15. People don't usually perceive an echo when

___ a) it takes more than a tenth of a second after the original sound to arrive
___ b) it arrives less than a tenth of a second after the original sound
___ c) it arrives at a lower pitch
___ d) it arrives at exactly the same pitch
___ e) it arrives at a higher pitch


16.  These two pulses will collide and produce

___ a) negative interference
___ b) positive interference
___ c) positive diffraction
___ d) negative diffraction


Key to Waves_Physics_classroom-v1s1

edit

1. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

+ a) the low density rope supports a wave with a higher speed
- b) the low density rope supports a wave with a lower frequency
- c) the low density rope supports a wave with a higher frequency
- d) the low density rope supports a wave with a lower speed


2.   Two signals (dashed) add to a solid

- a) dissonance
+ b) fifth
- c) octave


3.  These two pulses will collide and produce

+ a) negative interference
- b) positive interference
- c) positive diffraction
- d) negative diffraction


4. If you start moving towards a source of sound, the pitch becomes

+ a) higher
- b) unchanged
- c) lower


5.   Two signals (dashed) add to a solid

- a) fifth
+ b) octave
- c) dissonance


6. When a wave is reflected off a stationary barrier, the reflected wave

- a) has higher frequency than the incident wave
+ b) has lower amplitude than the incident wave
- c) both of these are true


7. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

+ a) the wavelength gets longer
- b) the wavelength stays the same
- c) the wavelength gets shorter


8. Why don't we hear beats when two different notes on a piano are played at the same time?

+ a) The beats happen so many times per second you can't hear them.
- b) Reverberation usually stifles the beats
- c) Echo usually stifles the beats
- d) The note is over by the time the first beat is heard


9. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

- a) 50
- b) 60
+ c) 20
- d) 40
- e) 30


10. Comparing a typical church to a professional baseball stadium, the church is likely to have

+ a) reverberation instead of echo
- b) echo instead of reverberation
- c) both reverberation and echo
- d) neither reverberation nor echo


11. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

+ a) The difference in path lengths creates more reverberation.
- b) Rough walls make for a louder sound.
- c) The difference in path lengths creates more echo.


12. If a source of sound is moving towards you, the pitch becomes

- a) unchanged
+ b) higher
- c) lower


13.  These two pulses will collide and produce

+ a) positive interference
- b) negative diffraction
- c) positive diffraction
- d) negative interference


14.   Two signals (dashed) add to a solid

+ a) dissonance
- b) fifth
- c) octave


15. People don't usually perceive an echo when

- a) it takes more than a tenth of a second after the original sound to arrive
+ b) it arrives less than a tenth of a second after the original sound
- c) it arrives at a lower pitch
- d) it arrives at exactly the same pitch
- e) it arrives at a higher pitch


16.  These two pulses will collide and produce

- a) negative interference
+ b) positive interference
- c) positive diffraction
- d) negative diffraction


Waves_Physics_classroom-v2s1

edit

1. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

___ a) 50
___ b) 60
___ c) 20
___ d) 30
___ e) 40


2. People don't usually perceive an echo when

___ a) it takes more than a tenth of a second after the original sound to arrive
___ b) it arrives at a lower pitch
___ c) it arrives at exactly the same pitch
___ d) it arrives at a higher pitch
___ e) it arrives less than a tenth of a second after the original sound


3. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

___ a) the wavelength stays the same
___ b) the wavelength gets shorter
___ c) the wavelength gets longer


4. Why don't we hear beats when two different notes on a piano are played at the same time?

___ a) The note is over by the time the first beat is heard
___ b) Reverberation usually stifles the beats
___ c) The beats happen so many times per second you can't hear them.
___ d) Echo usually stifles the beats


5. If a source of sound is moving towards you, the pitch becomes

___ a) unchanged
___ b) higher
___ c) lower


6. Comparing a typical church to a professional baseball stadium, the church is likely to have

___ a) reverberation instead of echo
___ b) echo instead of reverberation
___ c) neither reverberation nor echo
___ d) both reverberation and echo


7.   Two signals (dashed) add to a solid

___ a) octave
___ b) dissonance
___ c) fifth


8. When a wave is reflected off a stationary barrier, the reflected wave

___ a) both of these are true
___ b) has higher frequency than the incident wave
___ c) has lower amplitude than the incident wave


9. If you start moving towards a source of sound, the pitch becomes

___ a) unchanged
___ b) higher
___ c) lower


10.  These two pulses will collide and produce

___ a) positive diffraction
___ b) negative diffraction
___ c) positive interference
___ d) negative interference


11.   Two signals (dashed) add to a solid

___ a) octave
___ b) dissonance
___ c) fifth


12. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

___ a) The difference in path lengths creates more reverberation.
___ b) Rough walls make for a louder sound.
___ c) The difference in path lengths creates more echo.


13.  These two pulses will collide and produce

___ a) negative diffraction
___ b) positive interference
___ c) negative interference
___ d) positive diffraction


14. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

___ a) the low density rope supports a wave with a lower frequency
___ b) the low density rope supports a wave with a higher speed
___ c) the low density rope supports a wave with a lower speed
___ d) the low density rope supports a wave with a higher frequency


15.  These two pulses will collide and produce

___ a) positive interference
___ b) negative interference
___ c) positive diffraction
___ d) negative diffraction


16.   Two signals (dashed) add to a solid

___ a) fifth
___ b) dissonance
___ c) octave


Key to Waves_Physics_classroom-v2s1

edit

1. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

- a) 50
- b) 60
+ c) 20
- d) 30
- e) 40


2. People don't usually perceive an echo when

- a) it takes more than a tenth of a second after the original sound to arrive
- b) it arrives at a lower pitch
- c) it arrives at exactly the same pitch
- d) it arrives at a higher pitch
+ e) it arrives less than a tenth of a second after the original sound


3. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

- a) the wavelength stays the same
- b) the wavelength gets shorter
+ c) the wavelength gets longer


4. Why don't we hear beats when two different notes on a piano are played at the same time?

- a) The note is over by the time the first beat is heard
- b) Reverberation usually stifles the beats
+ c) The beats happen so many times per second you can't hear them.
- d) Echo usually stifles the beats


5. If a source of sound is moving towards you, the pitch becomes

- a) unchanged
+ b) higher
- c) lower


6. Comparing a typical church to a professional baseball stadium, the church is likely to have

+ a) reverberation instead of echo
- b) echo instead of reverberation
- c) neither reverberation nor echo
- d) both reverberation and echo


7.   Two signals (dashed) add to a solid

- a) octave
- b) dissonance
+ c) fifth


8. When a wave is reflected off a stationary barrier, the reflected wave

- a) both of these are true
- b) has higher frequency than the incident wave
+ c) has lower amplitude than the incident wave


9. If you start moving towards a source of sound, the pitch becomes

- a) unchanged
+ b) higher
- c) lower


10.  These two pulses will collide and produce

- a) positive diffraction
- b) negative diffraction
+ c) positive interference
- d) negative interference


11.   Two signals (dashed) add to a solid

- a) octave
+ b) dissonance
- c) fifth


12. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

+ a) The difference in path lengths creates more reverberation.
- b) Rough walls make for a louder sound.
- c) The difference in path lengths creates more echo.


13.  These two pulses will collide and produce

- a) negative diffraction
+ b) positive interference
- c) negative interference
- d) positive diffraction


14. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

- a) the low density rope supports a wave with a lower frequency
+ b) the low density rope supports a wave with a higher speed
- c) the low density rope supports a wave with a lower speed
- d) the low density rope supports a wave with a higher frequency


15.  These two pulses will collide and produce

- a) positive interference
+ b) negative interference
- c) positive diffraction
- d) negative diffraction


16.   Two signals (dashed) add to a solid

- a) fifth
- b) dissonance
+ c) octave


Waves_Physics_classroom-v1s2

edit

1.  These two pulses will collide and produce

___ a) positive diffraction
___ b) negative diffraction
___ c) negative interference
___ d) positive interference


2. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

___ a) the wavelength stays the same
___ b) the wavelength gets shorter
___ c) the wavelength gets longer


3.   Two signals (dashed) add to a solid

___ a) octave
___ b) dissonance
___ c) fifth


4. Why don't we hear beats when two different notes on a piano are played at the same time?

___ a) The note is over by the time the first beat is heard
___ b) Echo usually stifles the beats
___ c) Reverberation usually stifles the beats
___ d) The beats happen so many times per second you can't hear them.


5. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

___ a) The difference in path lengths creates more reverberation.
___ b) Rough walls make for a louder sound.
___ c) The difference in path lengths creates more echo.


6.  These two pulses will collide and produce

___ a) positive interference
___ b) negative diffraction
___ c) negative interference
___ d) positive diffraction


7. People don't usually perceive an echo when

___ a) it arrives at a lower pitch
___ b) it arrives at a higher pitch
___ c) it arrives less than a tenth of a second after the original sound
___ d) it arrives at exactly the same pitch
___ e) it takes more than a tenth of a second after the original sound to arrive


8. If a source of sound is moving towards you, the pitch becomes

___ a) lower
___ b) higher
___ c) unchanged


9. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

___ a) 50
___ b) 40
___ c) 30
___ d) 60
___ e) 20


10.  These two pulses will collide and produce

___ a) negative interference
___ b) positive interference
___ c) negative diffraction
___ d) positive diffraction


11.   Two signals (dashed) add to a solid

___ a) octave
___ b) dissonance
___ c) fifth


12. Comparing a typical church to a professional baseball stadium, the church is likely to have

___ a) both reverberation and echo
___ b) neither reverberation nor echo
___ c) echo instead of reverberation
___ d) reverberation instead of echo


13. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

___ a) the low density rope supports a wave with a higher frequency
___ b) the low density rope supports a wave with a lower frequency
___ c) the low density rope supports a wave with a higher speed
___ d) the low density rope supports a wave with a lower speed


14.   Two signals (dashed) add to a solid

___ a) dissonance
___ b) octave
___ c) fifth


15. If you start moving towards a source of sound, the pitch becomes

___ a) higher
___ b) unchanged
___ c) lower


16. When a wave is reflected off a stationary barrier, the reflected wave

___ a) has higher frequency than the incident wave
___ b) has lower amplitude than the incident wave
___ c) both of these are true


Key to Waves_Physics_classroom-v1s2

edit

1.  These two pulses will collide and produce

- a) positive diffraction
- b) negative diffraction
- c) negative interference
+ d) positive interference


2. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

- a) the wavelength stays the same
- b) the wavelength gets shorter
+ c) the wavelength gets longer


3.   Two signals (dashed) add to a solid

- a) octave
- b) dissonance
+ c) fifth


4. Why don't we hear beats when two different notes on a piano are played at the same time?

- a) The note is over by the time the first beat is heard
- b) Echo usually stifles the beats
- c) Reverberation usually stifles the beats
+ d) The beats happen so many times per second you can't hear them.


5. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

+ a) The difference in path lengths creates more reverberation.
- b) Rough walls make for a louder sound.
- c) The difference in path lengths creates more echo.


6.  These two pulses will collide and produce

+ a) positive interference
- b) negative diffraction
- c) negative interference
- d) positive diffraction


7. People don't usually perceive an echo when

- a) it arrives at a lower pitch
- b) it arrives at a higher pitch
+ c) it arrives less than a tenth of a second after the original sound
- d) it arrives at exactly the same pitch
- e) it takes more than a tenth of a second after the original sound to arrive


8. If a source of sound is moving towards you, the pitch becomes

- a) lower
+ b) higher
- c) unchanged


9. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

- a) 50
- b) 40
- c) 30
- d) 60
+ e) 20


10.  These two pulses will collide and produce

+ a) negative interference
- b) positive interference
- c) negative diffraction
- d) positive diffraction


11.   Two signals (dashed) add to a solid

+ a) octave
- b) dissonance
- c) fifth


12. Comparing a typical church to a professional baseball stadium, the church is likely to have

- a) both reverberation and echo
- b) neither reverberation nor echo
- c) echo instead of reverberation
+ d) reverberation instead of echo


13. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

- a) the low density rope supports a wave with a higher frequency
- b) the low density rope supports a wave with a lower frequency
+ c) the low density rope supports a wave with a higher speed
- d) the low density rope supports a wave with a lower speed


14.   Two signals (dashed) add to a solid

+ a) dissonance
- b) octave
- c) fifth


15. If you start moving towards a source of sound, the pitch becomes

+ a) higher
- b) unchanged
- c) lower


16. When a wave is reflected off a stationary barrier, the reflected wave

- a) has higher frequency than the incident wave
+ b) has lower amplitude than the incident wave
- c) both of these are true


Waves_Physics_classroom-v2s2

edit

1. If a source of sound is moving towards you, the pitch becomes

___ a) unchanged
___ b) lower
___ c) higher


2. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

___ a) the low density rope supports a wave with a higher speed
___ b) the low density rope supports a wave with a lower frequency
___ c) the low density rope supports a wave with a higher frequency
___ d) the low density rope supports a wave with a lower speed


3.   Two signals (dashed) add to a solid

___ a) octave
___ b) fifth
___ c) dissonance


4.  These two pulses will collide and produce

___ a) positive interference
___ b) negative interference
___ c) positive diffraction
___ d) negative diffraction


5. People don't usually perceive an echo when

___ a) it takes more than a tenth of a second after the original sound to arrive
___ b) it arrives at a lower pitch
___ c) it arrives at exactly the same pitch
___ d) it arrives less than a tenth of a second after the original sound
___ e) it arrives at a higher pitch


6. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

___ a) Rough walls make for a louder sound.
___ b) The difference in path lengths creates more echo.
___ c) The difference in path lengths creates more reverberation.


7.  These two pulses will collide and produce

___ a) positive diffraction
___ b) positive interference
___ c) negative interference
___ d) negative diffraction


8.   Two signals (dashed) add to a solid

___ a) fifth
___ b) dissonance
___ c) octave


9.   Two signals (dashed) add to a solid

___ a) fifth
___ b) octave
___ c) dissonance


10. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

___ a) the wavelength gets shorter
___ b) the wavelength gets longer
___ c) the wavelength stays the same


11. Comparing a typical church to a professional baseball stadium, the church is likely to have

___ a) neither reverberation nor echo
___ b) both reverberation and echo
___ c) reverberation instead of echo
___ d) echo instead of reverberation


12.  These two pulses will collide and produce

___ a) positive interference
___ b) positive diffraction
___ c) negative interference
___ d) negative diffraction


13. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

___ a) 60
___ b) 20
___ c) 30
___ d) 40
___ e) 50


14. Why don't we hear beats when two different notes on a piano are played at the same time?

___ a) The beats happen so many times per second you can't hear them.
___ b) Reverberation usually stifles the beats
___ c) The note is over by the time the first beat is heard
___ d) Echo usually stifles the beats


15. If you start moving towards a source of sound, the pitch becomes

___ a) lower
___ b) higher
___ c) unchanged


16. When a wave is reflected off a stationary barrier, the reflected wave

___ a) both of these are true
___ b) has lower amplitude than the incident wave
___ c) has higher frequency than the incident wave


Key to Waves_Physics_classroom-v2s2

edit

1. If a source of sound is moving towards you, the pitch becomes

- a) unchanged
- b) lower
+ c) higher


2. A dense rope is connected to a rope with less density (i.e. fewer kilograms per meter). If the rope is stretched and a wave is sent along high density rope,

+ a) the low density rope supports a wave with a higher speed
- b) the low density rope supports a wave with a lower frequency
- c) the low density rope supports a wave with a higher frequency
- d) the low density rope supports a wave with a lower speed


3.   Two signals (dashed) add to a solid

- a) octave
- b) fifth
+ c) dissonance


4.  These two pulses will collide and produce

- a) positive interference
+ b) negative interference
- c) positive diffraction
- d) negative diffraction


5. People don't usually perceive an echo when

- a) it takes more than a tenth of a second after the original sound to arrive
- b) it arrives at a lower pitch
- c) it arrives at exactly the same pitch
+ d) it arrives less than a tenth of a second after the original sound
- e) it arrives at a higher pitch


6. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?

- a) Rough walls make for a louder sound.
- b) The difference in path lengths creates more echo.
+ c) The difference in path lengths creates more reverberation.


7.  These two pulses will collide and produce

- a) positive diffraction
+ b) positive interference
- c) negative interference
- d) negative diffraction


8.   Two signals (dashed) add to a solid

+ a) fifth
- b) dissonance
- c) octave


9.   Two signals (dashed) add to a solid

- a) fifth
+ b) octave
- c) dissonance


10. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?

- a) the wavelength gets shorter
+ b) the wavelength gets longer
- c) the wavelength stays the same


11. Comparing a typical church to a professional baseball stadium, the church is likely to have

- a) neither reverberation nor echo
- b) both reverberation and echo
+ c) reverberation instead of echo
- d) echo instead of reverberation


12.  These two pulses will collide and produce

+ a) positive interference
- b) positive diffraction
- c) negative interference
- d) negative diffraction


13. A tuning fork with a frequency of 440 Hz is played simultaneously with a tuning fork of 442 Hz. How many beats are heard in 10 seconds?

- a) 60
+ b) 20
- c) 30
- d) 40
- e) 50


14. Why don't we hear beats when two different notes on a piano are played at the same time?

+ a) The beats happen so many times per second you can't hear them.
- b) Reverberation usually stifles the beats
- c) The note is over by the time the first beat is heard
- d) Echo usually stifles the beats


15. If you start moving towards a source of sound, the pitch becomes

- a) lower
+ b) higher
- c) unchanged


16. When a wave is reflected off a stationary barrier, the reflected wave

- a) both of these are true
+ b) has lower amplitude than the incident wave
- c) has higher frequency than the incident wave


Attribution (for quiz questions) under CC-by-SA license
http://en.wikiversity.org/wiki/How_things_work_college_course/Waves_(Physics_Classroom)
Study guide
http://www.physicsclassroom.com/class/waves