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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. Is the maximum displacement of the medium from its rest position on a wave
outer ear
periodic motion
refraction
amplitude
2. The material through which a wave travels through
period
medium
Doppler effect
diffraction
3. A point where a crest or trough occurs midway between two nodes
sound waves
antinode
longitudinal wave
intensity
4. Consists of the eardrum - hammer - anvil - & stirrup
refraction
constructive interference
reflection
middle ear
5. The frequency of a sound as you perceive it
amplitude
pitch
frequency
resonance
6. The rate at which a wave's energy flows through a given area
decibel
period
intensity
destructive interference
7. A physical response to the intensity of sound - modified by physical factors
wavelength
constructive interference
interference
loudness
8. The bending of a wave as it enters a new medium at an angle
antinode
loudness
wavelength
refraction
9. When two or more waves combine to produce a wave with a smaller displacement
destructive interference
periodic motion
node
longitudinal wave
10. A wave that travels along a surface separating two media (more than one medium)
surface wave
node
periodic motion
interference
11. Any motion that repeats at regular time intervals
constructive interference
refraction
destructive interference
periodic motion
12. A unit that compares the intensity of different sounds
resonance
decibel
transverse wave
node
13. A change in sound frequency caused by motion of the sound source - motion of the listener - or both
crest
middle ear
Doppler effect
medium
14. The lowest point below the rest position
periodic motion
interference
trough
compression
15. An area where the particles in a medium are spaced close together
speed =
pitch
Doppler effect
compression
16. The number of complete cycles in a given time
intensity
constructive interference
loudness
frequency
17. Longitudinal waves - compressions and rarefactions that travel through a medium
sound waves
interference
sonar
inner ear
18. When a wave bounces off a surface that it cannot pass through
reflection
crest
medium
antinode
19. Consists of the ear canal
transverse wave
outer ear
rarefaction
resonance
20. Wavelength x frequency
sound waves
speed =
intensity
mechanical wave
21. A point on a standing wave that has no displacement from the rest position
transverse wave
node
antinode
frequency
22. The time required for one cycle - a complete motion that returns to its starting point
crest
pitch
period
medium
23. A wave that appears to stay in one place - it does not seem to move through the medium
wavelength
standing wave
trough
transverse wave
24. A wave that causes the medium to vibrate at right angles to the direction in which the wave travels
period
periodic motion
transverse wave
intensity
25. The highest point of the wave above the rest position
constructive interference
reflection
crest
destructive interference
26. A wave in which the vibration of the medium is parallel to the direction the wave travels
diffraction
longitudinal wave
decibel
sound waves
27. When two or more waves overlap or combine together
destructive interference
outer ear
pitch
interference
28. Consists of the cochlea and the auditory nerve
inner ear
constructive interference
reflection
compression
29. An area where the particles in a medium are spread out
diffraction
period
rarefaction
crest
30. A disturbance in matter that carries energy from one place to another
transverse wave
resonance
intensity
mechanical wave
31. When two or more waves combine to produce a wave with a larger displacement
wavelength
decibel
constructive interference
reflection
32. The bending of a wave as it moves around an obstacle or passes through a narrow opening
rarefaction
speed =
decibel
diffraction
33. The response of a standing wave to another wave of the same frequency
transverse wave
resonance
frequency
pitch
34. A technique used for determining the distance to an object underwater
sonar
destructive interference
Doppler effect
period
35. The distance between a point on one wave and the same point on the next cycle of the wave
transverse wave
medium
wavelength
crest