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