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