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- It is quiet.
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Compare the loudness of sound waves that are in phase when they interfere with the loudness of sound waves that are out of phase when they interfere?
they bounce im blood crips die
What phase of matter does sound travel fastest in?
Waves/vacuum
What are coherent waves?
COHERENT WAVESWhen the light waves are emitted from a single source and they have the zero phase difference between them then the waves are said to be coherent. The coherent waves are shown below:
What does the presence of phase distortion in sound waves gives rise to?
Harmonic distortion/resonance
What happens if two sound waves having the same frequency interfere in phase?
they come closer
When sound waves of the same frequency and amplitude arrive 180 degrees out of phase what happens?
They canceled
Sound waves can interfere with one another so that no sound results?
Yes they can. It's called destructive interference. When 2 sound waves converge on each other and the waves are 180 degrees out of phase then they will destructively interfere and the net effect will be the negation of both waves so you hear nothing.
What will happen to the sound waves from two loudspeakers vibrating in phase if the frequency increases and the wavelength decreases?
Assuming this happens in phase, the pitch of the sound will increase. If only one of the loudspeakers does this, they'll be out of phase, which will initially sound like a slow pulsed beat, but eventually will form a chord.
What causes two sound waves to combine and produce no sound?
This is known as 'Sound Cancellation' or deconstructive interference. It occurs when two waves 180º out of phase of and of equal magnitude combine. The resulting wave has zero magnitude and thus cannot be heard.
Do sound waves go through vibrating matter?
Yes but the vibrations will cause phase variations in the waves in the material dependent on frequency of the source and the existing vibration.
Examples of the application of interfrence of sound waves?
Since the two waves 180 degrees out of phase cancel each other you can use interference for noise dampening. Pick up the sound and generate a signal that cancels it.
What type of interference occurs when two waves are in phase?
Constructive
