Electromagnetic Spectrum Examples:X rays,microwaves,radio waves,visible light,IR,and UV. Frequency and wavelength are inversely proportional. .c=Av,where c is the speed of light. Energy per photon hv,where h is Planck's constant. Chapter 12 Chapter 12 4 Electromagnetic Spectrum • Examples: X rays, microwaves, radio waves, visible light, IR, and UV. • Frequency and wavelength are inversely proportional. • c = ln, where c is the speed of light. • Energy per photon = hn, where h is Planck’s constant. =>