24 Questions
What is pitch primarily determined by in a sound wave?
Frequency of the sound wave
What is the range of frequencies that humans can detect?
20 Hz to 20,000 Hz
What is the term for sounds with frequencies below 20 Hz?
Infrasounds
What is the formula to calculate the wavelength of a sound wave?
λ = v / f
What is loudness primarily related to in a sound wave?
Amplitude of the sound wave
What affects the perceived loudness of a sound?
Both the amplitude of the sound wave and the sensitivity of the human ear
What is the effect of a higher frequency on the perceived pitch of a sound?
It results in a higher pitch
What is the term for sounds with frequencies above 20,000 Hz?
Ultrasounds
What is the primary factor that determines the amplitude of a sound wave?
The vibration of the sound source
Why are humans more sensitive to certain frequencies than others?
Because of the sensitivity of the human ear
What is the primary factor that determines the tone of a sound?
The pitch of the sound
What is the effect of more energetic vibrations on the amplitude of a sound wave?
They result in larger amplitudes
What is the primary factor that determines how high or low a sound is perceived?
Frequency of the sound wave
Which of the following frequencies would be perceived as a higher pitch?
10,000 Hz
What is the effect of a larger amplitude on the loudness of a sound?
The sound becomes louder
Why do humans perceive sounds of certain frequencies as louder than others?
Because of the sensitivity of the human ear
What determines the range of wavelengths corresponding to the audible frequency ranges for each species?
Speed of sound in air
What is the result of more energetic vibrations on the sound source?
Higher amplitude sound waves
What is the primary factor that determines the difference between a bird's chirp and a lion's roar?
Frequency of the sound wave
What is the relationship between the amplitude of a sound wave and the loudness of the sound?
Loudness increases with increasing amplitude
What is the primary factor that determines the range of audible frequencies for humans?
Sensitivity of the human ear
What is the primary factor that determines the tone of a sound wave?
Not specified in the content
What is the effect of increasing the speed of sound in air on the wavelength of a sound wave?
Wavelength increases
What is the primary factor that determines the range of wavelengths corresponding to the audible frequency range?
Speed of sound in air
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