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