CSD 202 Final Exam – comprehensive study guide and exam preparation
material
When determining the frequency of a sound, which of the following would be used? - correct
answer ✔✔Rate of displacement of molecules in a given second.
Sound waves in air consist of____ and ____ waves. - correct answer ✔✔Longitudinal and
Transverse
What is the frequency of a sound with a period of .05 seconds? - correct answer ✔✔.02
kHz( 1Hz/50ms = .02kHz)
Humans use differences between the ears in intensity to do what with sound? - correct answer
✔✔localize
What is the sum of the amplitude of two 100Hz waves out of phase by 180 degrees? - correct
answer ✔✔zero
For a single since wave, the ear is sensitive to ____ and ____ but not phase. - correct answer
✔✔frequency and amplitude
1000 relative to .0001 is equal to - correct answer ✔✔7 dB (10^^-4 = 10^7)
When a sound with a frequency of 68 Hz travels in the air and then goes into water the
wavelength in air is ___ meters - correct answer ✔✔5
When you damage the cochlea near the base you will lose ___ frequency hearing. - correct
answer ✔✔High
material
When determining the frequency of a sound, which of the following would be used? - correct
answer ✔✔Rate of displacement of molecules in a given second.
Sound waves in air consist of____ and ____ waves. - correct answer ✔✔Longitudinal and
Transverse
What is the frequency of a sound with a period of .05 seconds? - correct answer ✔✔.02
kHz( 1Hz/50ms = .02kHz)
Humans use differences between the ears in intensity to do what with sound? - correct answer
✔✔localize
What is the sum of the amplitude of two 100Hz waves out of phase by 180 degrees? - correct
answer ✔✔zero
For a single since wave, the ear is sensitive to ____ and ____ but not phase. - correct answer
✔✔frequency and amplitude
1000 relative to .0001 is equal to - correct answer ✔✔7 dB (10^^-4 = 10^7)
When a sound with a frequency of 68 Hz travels in the air and then goes into water the
wavelength in air is ___ meters - correct answer ✔✔5
When you damage the cochlea near the base you will lose ___ frequency hearing. - correct
answer ✔✔High
