13: Electromagnetic Radiation Last updated Jan 11, 2021 Save as PDF 12.6: Ultrasound 13.1: Electromagnetic Waves Page ID574 ( \newcommand{\kernel}{\mathrm{null}\,}\) 13.1: Electromagnetic Waves13.2: Electromagnetic Spectrum13.3: Light and Color13.4: Wave-Particle Theory13.5: Photoelectric Effect13.6: Lasers13.7: Single Slit Diffraction13.8: Double Slit Diffraction