How do earphones create sound waves that are longer than the size of earphones themselves?
In: Technology
Sound waves are created from something vibrating and then the waves move out away from that object vibrating. Think of like a water wave. You put a toe in the water and ripples travel out from that point. The wavelength (the length of the wave) is determined by the frequency (rate) of the toe going in and out of the water and how fast the waves goes out from the toe. The width of the toe doesn’t matter for the wavelength.
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