Inversely frequency = speed of light / wavelength
Frequency and period are mutual reciprocals.
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The product of (wavelength) times (frequency) is the speed.
Yes.
Light, being a vibrating electro-magnetic wave, has a frequency of vibration.
The product of (wavelength x frequency) is the wave's speed.
The speed of any wave is the product of (wavelength) x (frequency) .
longer waves= lower pitch
AM = Amplitude Modulation. FM = Frequency Modulation
Energy of radio signal E = hf, Planck's constant times the frequency.
Wave frequency f, and period of wave T are inverses, related by fT=1.