Electromagnetic Spectrum

gamma rays

< x10⁻² nm

x-rays

x10⁻² – x10 nm

ultraviolet

x10 - 400 nm

visible light

400 - 700 nm

infrared radiation

700 – x10⁶ nm

microwave

x10⁶ – x10⁸ nm

radio waves

> x10⁸ nm