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Test your basic knowledge |
Mechanical Waves And Sound
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 35 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The material through which a wave travels through
interference
inner ear
medium
amplitude
2. Is the maximum displacement of the medium from its rest position on a wave
diffraction
trough
mechanical wave
amplitude
3. The highest point of the wave above the rest position
Doppler effect
loudness
crest
trough
4. The response of a standing wave to another wave of the same frequency
trough
middle ear
resonance
interference
5. An area where the particles in a medium are spaced close together
wavelength
pitch
compression
interference
6. An area where the particles in a medium are spread out
mechanical wave
rarefaction
loudness
constructive interference
7. Longitudinal waves - compressions and rarefactions that travel through a medium
frequency
sound waves
interference
outer ear
8. A disturbance in matter that carries energy from one place to another
medium
reflection
mechanical wave
sound waves
9. A wave that appears to stay in one place - it does not seem to move through the medium
standing wave
constructive interference
longitudinal wave
Doppler effect
10. The bending of a wave as it moves around an obstacle or passes through a narrow opening
diffraction
antinode
reflection
Doppler effect
11. A point on a standing wave that has no displacement from the rest position
node
diffraction
antinode
sound waves
12. When two or more waves combine to produce a wave with a larger displacement
constructive interference
rarefaction
amplitude
trough
13. A change in sound frequency caused by motion of the sound source - motion of the listener - or both
destructive interference
Doppler effect
pitch
refraction
14. A wave in which the vibration of the medium is parallel to the direction the wave travels
period
longitudinal wave
destructive interference
mechanical wave
15. The number of complete cycles in a given time
decibel
frequency
rarefaction
crest
16. Consists of the eardrum - hammer - anvil - & stirrup
frequency
compression
middle ear
interference
17. The time required for one cycle - a complete motion that returns to its starting point
middle ear
period
frequency
loudness
18. When two or more waves overlap or combine together
resonance
standing wave
interference
speed =
19. When two or more waves combine to produce a wave with a smaller displacement
mechanical wave
resonance
rarefaction
destructive interference
20. A unit that compares the intensity of different sounds
destructive interference
loudness
trough
decibel
21. Consists of the cochlea and the auditory nerve
Doppler effect
antinode
inner ear
standing wave
22. The lowest point below the rest position
trough
loudness
inner ear
medium
23. A wave that causes the medium to vibrate at right angles to the direction in which the wave travels
transverse wave
decibel
pitch
sound waves
24. A wave that travels along a surface separating two media (more than one medium)
Doppler effect
surface wave
antinode
loudness
25. Consists of the ear canal
period
outer ear
resonance
node
26. When a wave bounces off a surface that it cannot pass through
reflection
resonance
mechanical wave
standing wave
27. Any motion that repeats at regular time intervals
trough
periodic motion
longitudinal wave
mechanical wave
28. A technique used for determining the distance to an object underwater
interference
periodic motion
sonar
wavelength
29. The rate at which a wave's energy flows through a given area
speed =
outer ear
antinode
intensity
30. A physical response to the intensity of sound - modified by physical factors
standing wave
speed =
resonance
loudness
31. The bending of a wave as it enters a new medium at an angle
periodic motion
interference
medium
refraction
32. The distance between a point on one wave and the same point on the next cycle of the wave
wavelength
destructive interference
constructive interference
Doppler effect
33. A point where a crest or trough occurs midway between two nodes
antinode
period
frequency
periodic motion
34. Wavelength x frequency
speed =
diffraction
destructive interference
period
35. The frequency of a sound as you perceive it
sonar
pitch
loudness
period