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