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Acoustics & Physics: Is Frequency Linked to Wave Width?
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[QUOTE="sophiecentaur, post: 5719435, member: 199289"] A wave can't be assigned a 'size'. It can propagate any distance and all waves spread out from the nominal direction they are pointed in. The only spatial quantity is wavelength. However, you may be referring to the 'tightness' of a beam that can be produced. That is limited by Diffraction and depends mostly on the 'aperture' or width of the source (projector or radio antenna etc). You need a wide source to produce a narrow beam. Your needle hydrophone is small and will not be very directional. Your professor was probably talking loosely about wavelength which, for sound in water, is a lot greater than it is in air because the wave speed is so much higher. But, when teachers tell you something that doesn't make sense to you, you should challenge them and ask for clarity. Asking about this particular confusion is fully justified. PS Your professor is, presumably, a Biologist and not a Physicist, which could explain the problem. :wink: [/QUOTE]
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Acoustics & Physics: Is Frequency Linked to Wave Width?
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