Yes, when they"re out of phase. In basic terms, one wave has actually a crest while an additional has a trough, they cancel.

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Bees buzz b/c the the really fast price of the fluttering of your wings. This to produce disturbances in the waiting medium, which leads to the buzzing sound
Sound from resource A has actually twice the frequency of sound from source B. To compare the wavelength of sound indigenous the 2 sources.
In Olympic competition, a microphone detects the sound of the starter"s gun and also sends the electrically to speaker at every runner"s starting block. Why?
Because the rate of sound is much slower than the rate of electricity, this reduces the split-second hold-up between shooting the gun and the sound getting to the runner furthest far from the gun.
If a bell is ringing within a bell jar, we deserve to no longer hear it once the wait is pumped out, but we have the right to still view it. What distinctions in the nature of sound and also light walk this indicate?
If the frequency of a sound is doubled, what adjust will happen in that speed? What change happens to its wavelength?
The rate doesn"t change. Wavelength is speed/frequency, therefore if the frequency doubles and also the speed stays the same, the wavelength is cut in half.

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Why deserve to a tremor of the ground indigenous a far-off explosion it is in felt prior to the sound of the explosion can be heard?
Ultrasonic tide have many applications in technology and medicine. One benefit is that big intensities deserve to be provided without risk to the ear. What is another benefit of their brief wavelength? (Why carry out microscopists use blue light quite than white irradiate to view detail?)
- If an object is smaller than a wave"s wavelength, then the wave will just defract about the object, rather of reflecting off of it (reflection enables you to watch objects). This is why objects smaller sized than the wavelength of clearly shows light execute not have actually color and also cannot it is in seen v light microscopes.- So, the small wavelength that ultrasonic waves means that they can reflect off of very tiny objects, enabling us to view them.
An echo is a reflected sound and thus, the strongness of an echo is less than the of the initial sound
Suppose a piano tuner hears 3 to win per 2nd when listening to the merged sound from a tuning fork and also the piano cable being tuned. After slightly tightening the string, 5 to win per second are heard. Should the string it is in loosened or tightened?
What is the wavelength the a 340-hz ton is air? What is the wavelength that a 34,000-hz ultrasonic wave in air?
- wavelength = velocity/frequency.- speed of sound is about 340 m/s, for this reason the wavelength the a 340-hz tone is 340/340 ~1 m- of an ultrasonic wave: 340/34000 ~0.001 m or 1 mm
An oceanic depth-sounding ship surveys the s bottom with ultrasonic tide that travel 1530 meters/second in seawater. Exactly how deep is the water directly listed below the courage if the time delay of the echo to the ocean floor and ago is 6 seconds?
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