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The product of wavelength and frequency is equal to the propagation speed of the wave. For light waves, this is the speed of light.

cw: Wavelength = W meters, Frequency = F per meter

W meter X F per meter = dimensionless quantity.

The speed of light, c, is typically measured in units of m/s or 3(10^8) m/s.

OK, some use a dimensionless speed of light, where c=1. But I don't see how that follows from the general question.

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10y ago
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5mo ago

The product of wavelength and frequency is always equal to the speed of light in a vacuum, which is approximately 3.00 x 10^8 meters per second. This relationship is described by the equation c = λ * f, where c is the speed of light, λ is the wavelength, and f is the frequency.

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Q: What is the product of wavelength and frequency always equal to?
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