Auricle 11. The human range of hearing is between 20 and 20,000 Hz. What is the corresponding range in wavelengths for sound in air at 25 °C? Your answer Stapes (attached to oval window) Semicircular Incus Malleus External auditory canal Tympanic membrane canals Vestibular nerve Cochlear nerve Cochlea Tympanic cavity Round Eustachian tube window

Q: You are most sensitive to  A   sounds of very low frequency. B   sounds of very high frequency.…

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Q: Ultrasound probes can resolve structural details with sizes approximately equal to the wavelength of…

A: Write the given values with suitable variables. f=12 MHz=12×106 Hzc=1540 m/s Here, f and c are the…

Q: How do we identify a high-pitched sound?A. High frequencies cause only weak vibrations of the…

A: Given:How do we identify a high-pitched soundAnswer:Option(c): The whole basilar membrane vibrates…

Q: You are in a car at rest 100m away from a signal tower emitting a high pitched sound at 1000 Hz. You…

A: Given, Frequency f = 1000 Hz acceleration a = 1 m/s2

Q: What frequency sound has a 0.824 m wavelength when the speed of sound is 300 m/s? Hz

A: To determine: The frequency of the sound   Given: Wavelength of sound, λ=0.824 m Speed of sound,…

Q: 1. Some of the sound waves that emanate from students and bombard the auditory senses of their…

A: The velocity of wave is given by  wave velocity = frequency x wavelength

Q: Assuming that you have normal hearing, why would your voice appear louder when your plug both ears?

A: The correct answer is option B i.e. The amplification of competing environmental sound by the middle…

Q: 3. The speed of sound in salt water is approximately 1500 m/s. Humpback whales can vocalize sounds…

A: Given  Speed of sound in salt water ,  v = 1500 m/s  Ferquency range is varying from 30 Hz to 8000…

Q: Sea lions are able to hear frequencies of sound from 200 Hz to 50 kHz.  The speed of sound in air is…

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Q: Ultrasound probes can resolve structural details with sizes approximately equal to the wavelength of…

A: The expression for find wavelength is λ=vf

Q: 14. The sound level of a normal conversation is about 60 dB. A rock concert is about 10 500 times…

A: Given:-  The Sound level of a normal conversation is about β1= 60 dB. A rock concert is about 10500…

Q: The speed of sound is 343 m/s. What is the lowest frequency that can be played by a tube that is…

A: Solution

Q: The lowest pitch that the average canine ear can identify is 40 Hz. If sound with this frequency…

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Q: A bat uses echolocation

A: Given: Frequency f=61.0 kHz=61.0*103Hz Speed of sound in air is v=343m/s.

Q: Sound localization is described by which of the following? Choose all that apply. Group of answer…

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Q: Two students hear the same sound and their eardrums receive the same power from the sound wave. The…

A: Given; Let there be two students A and B.  Both receives the same power from sound wave i.e. PA =…

Q: The heart of a patient beats at a rate of seventy per minute. What is the frequency of the…

A: Given data: Number of times heart beats = 70 Time interval (Δt) = 1 minute Required: Frequency (f)

Q: Ultrasound probes can resolve structural details with sizes approximately equal to the wavelength of…

A: Given: Frequency of the waves = 14 Mhz The speed of sound in human tissue =1,540 m/s.

Q: sound level measured in a room by a person watching a movie on a home theater system varies from…

A: Loudness of sound increase 10 times in increase of 10dB.

Q: Hypothesis:If I give a hearing test to 5 boys and 5 girls . Then the girls will be able to hear…

A: Hypothesis:If I give a hearing test to 5 boys and 5 girls . Then the girls will be able to hear…

Q: 13. What is the intensity of a sound wave of amplitude 0.002 dyne/cm2, measured in dB? ( some facts:…

A: The amplitude of a sound wave is, P=0.002 dyne/cm2

Q: A bat uses echolocation to detect prey as small as about 1 wavelength of the sound of a bat call.…

A: Given: f = 59.3 KHz = 59300 Hz v = 339 m/s Smallest size will be equal to the wavelength.

Q: Which statement about how the pitch of a sound is determined is accurate? neuromast cells in…

A: To determine pitch of a sound two theories are used which are temporal and place theory.

Q: A supersonic airplane has a speed of 1.5 times the speed of sound. If an observer is 5 km from the…

A: A supersonic airplane has a speed of 1.5 times the speed of sound. If an observer is 5 km from the…

Q: 9. A car driving at v = 46 m/s is producing a sound with frequency f = 825 Hz. What frequency does a…

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Q: A child has an ear canal that is 1.3 cm long. At what sound frequencies in the audible range will…

A: We must identify the sound frequency in the audible range at which the child's hearing sensitivity…

Q: Why can a hearing test show that your threshold of hearing is 0 dB at 250 Hz, when Figure 17.36…

A: Hearing tests are conducted for the range of 250 Hz to 8000 Hz. This is represented in the graph…

Q: An observer hears a sound from a vehicle that is parked. Then, the vehicle starts moving toward her.…

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