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Homework answers / question archive / Utah State University COMD 3400 Section 1 1)What are the two requirements for a medium to propagate sound? Sound through air is propagated as a In a wave, kinetic energy is at its maximum at In a sound wave, molecules make this motion through the air Displacement/ amplitude describes: Frequency describes Period describes Frequency is measured in At 90 degrees of a sine wave, vibration is at What is the speed of sound at sea level? A shorter wavelength indicates: A periodic wave: If two waves of equal frequency and amplitude combine 180 degrees out of phase, what occurs? Noise that has all frequencies at equal amplitudes is known as Noise that has low frequencies at higher amplitudes than high frequencies is known as The reference value for the intensity level scale is Calculate the db spl of a sound that is 800 uPa : What is the frequency of a sound that has a wavelength of 1

Utah State University COMD 3400 Section 1 1)What are the two requirements for a medium to propagate sound? Sound through air is propagated as a In a wave, kinetic energy is at its maximum at In a sound wave, molecules make this motion through the air Displacement/ amplitude describes: Frequency describes Period describes Frequency is measured in At 90 degrees of a sine wave, vibration is at What is the speed of sound at sea level? A shorter wavelength indicates: A periodic wave: If two waves of equal frequency and amplitude combine 180 degrees out of phase, what occurs? Noise that has all frequencies at equal amplitudes is known as Noise that has low frequencies at higher amplitudes than high frequencies is known as The reference value for the intensity level scale is Calculate the db spl of a sound that is 800 uPa : What is the frequency of a sound that has a wavelength of 1

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Utah State University

COMD 3400

Section 1

1)What are the two requirements for a medium to propagate sound?

  1. Sound through air is propagated as a
  2. In a wave, kinetic energy is at its maximum at
  3. In a sound wave, molecules make this motion through the air
  4. Displacement/ amplitude describes:
  5. Frequency describes
  6. Period describes
  7. Frequency is measured in
  8. At 90 degrees of a sine wave, vibration is at
  9. What is the speed of sound at sea level?
  10. A shorter wavelength indicates:
  11. A periodic wave:
  12. If two waves of equal frequency and amplitude combine 180 degrees out of phase, what occurs?
  13. Noise that has all frequencies at equal amplitudes is known as
  14. Noise that has low frequencies at higher amplitudes than high frequencies is known as
  15. The reference value for the intensity level scale is
  16. Calculate the db spl of a sound that is 800 uPa :
  17. What is the frequency of a sound that has a wavelength of 1.51 feet?
  18. The psychological or subjective parameter of frequency is
  19. Complex waves are always periodic
  20. The ability of a vibrating object to return to its original state after it is deformed defines

 

  1. When two waves combine, resulting in the cancellation of reduction of the energies of the sound waves it is termed
  2. As mass increases, the frequency of vibration
  3. This portion of the temporal bone houses the external auditory meatus:
  4. The most inferior feature of the pinna is the
  5. Arnold’s reflex is causes by irritation of cranial nerve
  6. Observed through the ear canal, a healthy tympanic membrane shoulder appears
  7. Which of the following is not a layer of the tympanic membrane?
  8. At the center of the tympanic membrane which feature will you find?
  9. Which ossicle does not have a neck?
  10. Which ossicle has a body?
  11. Which two bones do not articulate with each other?
  12. The tensor tympani muscle inserts on the
  13. The stapedius muscle insets on the
  14. Stimulus in left ear: no ipsi, present contra. Stimulus in right ear: present ipsi, no contra. :
  15. Which landmark is not found on the medial wall?
  16. The portion of the Eustachian auditory tube closest to the tympanic cavity is
  17. The purpose of the eustachian tube is to
  18. Human hearing is most sensitive in the
  19. The tympanic membrane to oval window ratio is

 

 

 

 

 

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