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What are wavelength frequency time period and amplitude of a sound wave?
Wiki User
∙ 13y ago
Sound waves - which humans and other animals hear through their ears - are actually caused by wave-like variations in pressure travelling through air and other physical media, for example water, wooden doors and floors, etc.
Sound travels faster in a less dense medium than it can travel in a more dense medium. The exact speed at which a sound wave travels through a given medium depends on the pressure and temperature of the medium, and therefore on its density.
Sound itself is not an electromagnetic (EM) wave but EM waves such as radio signals - and infra-red and visible light transmissions - can fairly easily be "modulated" to carry sound waves as "data". The signals and can then be transmitted through space, air or water.
After such signals have been have been received and "demodulated" at radio, infra-red or visible light receivers, the sound can then be heard.
Another answer
Considering radio waves, frequencies similar to audible sound are located in the VLF [very low frequency] Radio Band 4 [3 to 30kc/s], known as the myriametric subdivision.
The propogation velocity of any radio wave though empty space is 186,282 miles per second, approximately 984 million feet per second. So the wavelength, measured in feet, of a given frequency is approx 984,000 divided by the frequency in kilocycles per second (kHz) or 984 divided by the frequency in megacycles per second (MHz).
The propogation velocity of any radio wave through empty space is 300,000,000 meters per second (three hundred million meters per second) so the wavelength, measured in meters, of a given frequency is 300,000 divided by the frequency in kilocycles per second (kHz) OR 300 divided by the frequency in megacycles per second (MHz).
Amplitude, which is the signal strength, does not enter into the calculation.
Wiki User
∙ 13y ago
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How does the wavelength of a G-note sound wave compare to the wavelength of an A-note sound wave?
Assuming that both notes are in the range of C4 (middle C) and C5, G has a frequency of 392Hz, and A has a frequency of 440Hz. Assuming that both sound waves are travelling through air, through which sound travels at 340ms-1, then the wavelengths for G and A can be found to be 0.87m and 0.77m, respectively.An easier way to assess a change in wavelength would be to look at the equation v=fλ, where v is the speed of sound, f is the frequency of the note, and λ is the wavelength of the note. A higher pitch note means a higher frequency, and since the speed of sound is constant, then if the pitch is increased the wavelength must compensate by decreasing.Simply put, higher pitch means smaller wavelength.
What are four qualities of tone?
Amplitude - perceived in terms of loudness /dB/ - the greater the amplitude is the louder the sound. Frequency - the number of oscillations per second. the higher the frequency is the higher on scale of pitch. It perceived in terms of pitch /Hz/ Simplicity/complexity - combination of amplitude and frequency. complex sound waves involve waves of different frequencies superimposed to one another. it is perceived as Quality of sound. Wave lenght - duration of time. reflection of sound wave : Quantity /m per sec/
The pitch of a sound is determined by its wavelength and what?
only wavelengthActually, since ultimately the pitch we hear depends on the frequency, and the frequency is equal to the speed of sound divided by the wavelength, the pitch depends on both the wavelength and the speed of sound. The speed of sound in air depends on the temperature of the air. An approximate formula for calculating the speed of sound (credit Wikipedia) is:cair = 20.0457 x sqrt( T ) m/swhere T is the kelvin temperature.
How do you find the wavelength of a sound emitted by a tuning fork at 440 vibrations-second and the speed of sound is 332 m per s?
Wavelength = speed /frequency = 332/440 = 75.45 cm(rounded)
What is the wavelength of sound waves produced by a guitar string vibrating at 440 Hz?
Wavelength = velocity of sound in the medium / frequency Here velocity is not given. Let it be 330 m/s So required wavelength = 330/440 = 3/4 = 0.75 m
What property of sound is related to wavelength?
# time period # frequency # amplitude
What are the characteristics of sound waves?
The characteristics of a sound wave is the Amplitude, Frequency, Wavelength, time period, and velocity. The sound wave itself is a longitudinal wave that shows the rarefactions and compressions of a sound wave.
How loud a sound is depends on the wavelength of the sound?
The level of the sound or the amplitude of the sound has nothing to do with the wavelength. Speed of sound c = wavelength λ × frequency f.
Can you describe the parts of a sound wave?
Crest and Trough Amplitude Wavelength Frequency
What does the amplitude look like for a soft sound?
Amplitude is how loud it is. So a soft sound would have a small amplitude. Frequency is the pitch of the sound. High sounds have high frequency. Wavelength is the type of sound. Music wavelengths are in harmony. Changing the wavelength gives us the different words etc that we make.
What does the amplitude look like like for soft sound?
Amplitude is how loud it is. So a soft sound would have a small amplitude. Frequency is the pitch of the sound. High sounds have high frequency. Wavelength is the type of sound. Music wavelengths are in harmony. Changing the wavelength gives us the different words etc that we make.
What are the characteristic of sounds?
frequency,wavelength,amplitude,sound pressure,sound intensity,speed of sound,and direction
Is a sound quieter when a vibration is smaller?
No. If a vibration is smaller, the sound is higher pitched. To get a quieter sound the amplitude of the sound-wave needs to be smaller. +++ It depends whether you mean amplitude or wavelength being "smaller", and they are two different things. If the vibration's amplitude is smaller the sound is quieter irrespective of frequency. If the vibration is more rapid, the frequency is higher but the wavelength correspondingly smaller irrespective of amplitude.
Relationship between period and amplitude of a wave?
The amplitude of a sound is not related to its frequency (wavelength).There might appear to be a connection if the listener's hearing is more or less sensitive to certain frequencies. For example, as a sound with constant amplitude rises in frequency toward the upper limit of the listener's hearing range, it will be perceived as if its amplitude (loudness) is dropping, although that sensation is in the ear of the beholder and not a property of the sound itself.
How is frequency of sound waves related to its time period?
No. The amplitude of a sound is not related to its frequency (wavelength).There might appear to be a connection if the listener's hearing is more or less sensitive to certain frequencies. For example, as a sound with constant amplitude rises in frequency toward the upper limit of the listener's hearing range, it will be perceived as if its amplitude (loudness) is dropping, although that sensation is in the ear of the beholder and not a property of the sound itself.
What increases as loudness of a sound increases?
A) wavelength B) frequency C) velocity D) amplitude
How does sound travel through solid objects?
Sound is a longitudinal wavelength that has wavelength, velocity, frequency and amplitude. It travels through solid objects by going through vibration.
