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You are watching: How can you change the amplitude of a wave

Q: If you adjust the amplitude of a sound wave, what perform you change?

A: If you adjust the amplitude of a sound wave, you adjust its power and intensity. Friend also readjust its perceived loudness . In an ext general terms, friend are changing the energy content the a sound...

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Q: If you change the amplitude the a sound wave, what execute you change?

A: If you change the amplitude that a sound wave, you adjust its power and intensity. You also readjust its perceived loudness. In an ext general terms, friend are transforming the energy content the a sound wave as soon as you readjust its amplitude. The amplitude that a sound is a measure up of the readjust in push (force over a given area) the it exerts ~ above the air v which it passes.

The power of a sound is that is amplitude over a given period of time. Power, like electrical power, is expressed in Watts, which is equal to 1 Newton of force per second. Rise in amplitude because of this causes a equivalent increase in power.

Sound is a 3D phenomenon. It radiates in a ball from the source that create it (like a speaker, human voice, airplane, or musical instrument). The strength of a sound is the full force exerted by this sphere. Intensity is the power (as defined above) the the sound separated by a square unit area (usually per square meter). Intensity is commonly measured in decibels (dB). This is a logarithmic measure due to the fact that both power and intensity are proportional come the square of the sound"s amplitude. That is, doubling the amplitude the a sound will actually quadruple the sound"s power and also intensity. Therefore, decibels, a logarithmic scale, are supplied to do the units on the measure of intensity smaller sized and an ext tractable.

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In emotional terms (that is, the method that we actually hear sound), changing the amplitude that a sound wave will also change its perceived loudness. Loudness is a role of a sound"s intensity and is also measured in decibels (dB). Depending upon the loudness that the sound as a duty of this readjust in amplitude, it can vary native being impossible to listen to resulting in pain and, eventually, hear loss.