All electromagnetic waves (including light, light is an electromagnetic wave) propagation in a vacuum speed is a constant: c = 3 * 10 ^ 8m / s. The wavelength and frequency to satisfy a relationship: v = λf
Input wavelength λ calculated frequency f:
Frequency f | ||
Wavelength λ |
Input frequency f calculated frequency wavelength λ
Wavelength λ | ||
Frequency f |