Approximately a third of people with normal hearing have ears that continuously emit a low-intensity sound outward through the car canal. A person with such spontaneous otoacoustic emission is rarely aware of the sound, except perhaps in a noise-free environment, but occasionally the emission is loud enough to be heard by someone else nearby. In one observation, the sound wave had a frequency of 1665 Hz and a pressure amplitude of 1.13 × 10 −3 Pa. What were (a) the displacement amplitude and (b) the intensity of the wave emitted by the ear?
Approximately a third of people with normal hearing have ears that continuously emit a low-intensity sound outward through the car canal. A person with such spontaneous otoacoustic emission is rarely aware of the sound, except perhaps in a noise-free environment, but occasionally the emission is loud enough to be heard by someone else nearby. In one observation, the sound wave had a frequency of 1665 Hz and a pressure amplitude of 1.13 × 10 −3 Pa. What were (a) the displacement amplitude and (b) the intensity of the wave emitted by the ear?
Approximately a third of people with normal hearing have ears that continuously emit a low-intensity sound outward through the car canal. A person with such spontaneous otoacoustic emission is rarely aware of the sound, except perhaps in a noise-free environment, but occasionally the emission is loud enough to be heard by someone else nearby. In one observation, the sound wave had a frequency of 1665 Hz and a pressure amplitude of 1.13 × 10−3 Pa. What were (a) the displacement amplitude and (b) the intensity of the wave emitted by the ear?
A sound wave arriving at your ear is transferred to the fluid in the cochlea. If the intensity in the fluid is 0.410 times that in air and the frequency is the same as for the wave in air, what will be the ratio of the pressure amplitude of the wave in air to that in the fluid? Approximate the fluid as having the same values of density and speed of sound as water. Speed of sound in dry air (20.0°C, 1.00 atm) is 343 m/s, density of dry air (at STP) is 1.29 kg/m3, density of water is 1000 kg/m3, and speed of sound in water is 1493 m/s.
Approximately a third of people with normal hearing have ears that continuously emit a low-intensity sound outward through the ear canal. A person with such spontaneous otoacoustic emission is rarely aware of the sound, except perhaps in a noisefree environment, but occasionally the emission is loud enough to be heard by someone else nearby. In one observation, the sound wave had a frequency of 1665 Hz and a pressure amplitude of 1.13 *10-3 Pa. What were (a) the displacement amplitude and (b) the intensity of the wave emitted by the ear?
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What is the speed of sound in benzene, which has a bulk modulus of 1.05 x 10^9 Pa and a density of 8.76 x 10^2 kg/m^3?
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