# Electromagnetic waves and photons

- Created by: Kyx
- Created on: 10-01-16 14:11

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Visible light is just a small part of the electromagnetic spectrum. In a vacuum, all electromagnetic particles travel at the same speed, c, which is 3.00 x 10^{8} m/s.

The wavelength of an electromagnetic wave which has a frequency of f is given by the equation λ = c / f. λ is the Greek letter lambda, and represents the wavelength.

From the equation, it is evident that electromagnetic waves with a larger wavelength have a…

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