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How far in nanometers is the wavelength of a 10000 Hz sine wave and how far for a 20000 Hz sine wave also?
Mileszoltak
Wavelength = (speed)/(frequency)
For a 10,000 Hz wave:,
Wavelength = (speed)/(10,000) meters
That's (speed) x 100,000 nanometers.,
For a 20,000 Hz wave:,
Having doubled the frequency, the wavelength has now been reduced by half.
So wavelength is now (speed) x 50,000 nanometers.,
Note: It's often nice to be able to work with sine waves, but when you're only talking about frequency and wavelength, the wave-shape doesn't matter.
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∙ 9y ago
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