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- 1. Multiple Choice
The energy of a mechanical wave is determined by ...
amplitude
frequency
speed
medium
- 2. Multiple Choice
The higher the frequency of a wave, the ______________ the wavelength
shorter
longer
- 3. Multiple Choice
Musical notes travel through the air as waves. Higher frequency notes travel _________ lower frequency notes.
faster than
at the same speed as
slower than
- 4. Fill in the Blank
Sound waves are __________ waves.
- 5. Multiple Choice
Amplitude affects which characteristic of sound waves?
frequency
pitch
loudness
wave speed
- 6. Multiple Choice
Sound waves can travel through a vacuum because they don't require particles.
True
False
- 7. Multiple Choice
The ______ of a sound depends on the medium through which it's moving.
pitch
vibration
speed
loudness
- 8. Fill in the Blank
A sound wave travels at a speed of 352 m/s. What is its wavelength if it has a frequency of 880 Hz?
- 9. Multiple ChoiceIf the distance represented by the letter A were increased, how would it change the way the sound was heard?The sound would be higher.The sound would be lower.The sound would be softer.The sound would be louder.
- 10. Multiple ChoiceSound Waves Move faster in what temperatureHeatColdDoesn't MatterBoth
- 11. Multiple ChoiceLow Amplitude = ______________Quieter SoundsLouder sounds
- 12. Multiple ChoiceLow frequency = _______ PitchLowHigh
- 13. Multiple ChoiceHigh frequency = _______ PitchHighLow
- 14. Multiple ChoiceIf a wave is traveling at 260 m/s and has a wavelength of 0.8 m/s, what is its frequency?208 Hz325 Hz430 Hz160 Hz
- 15. Multiple Choice
Sound with frequencies between 20 Hz and 20 000 Hz are known as:
ultrasonic
infrasonic
audible range
visible range
- 16. Multiple Choice
The speed of sound in air is 340 m/s. The frequency of the sound waves generated by my voice is 720 Hz. Calculate the wavelength of sound of my voice.
380 m
0.472 m
2.11 m
244,800
none of these are correct
- 17. Multiple ChoiceWhich pitch would likely be too high for humans to hear?10,000 Hz13,000 Hz18,000 Hz25,000 Hz
- 18. Multiple ChoiceWhich is a tool that is used in medicine to view internal organs and pregnancy?oscilloscopedopplerultrasoundsonar
- 19. Multiple ChoiceWavelength and frequency have what relationship?Direct - when one increases, so does the otherInverse - when one increases, the other decreasesUnrelated - sometimes they both change in the same way, and sometimes they don'tExponentially squared relationship
- 20. Multiple ChoicePitch and frequency have what relationship?Direct - when one increases, so does the otherInverse - when one increases, the other decreasesUnrelated - sometimes they both change in the same way, and sometimes they don'tExponentially squared relationship
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