Required information Consider regions of the EM spectrum. Visible light A=700 nm 400 am f=43 x 104Hz 75 x 104 Hz Wavelength (m) 3x104 3x104 3x104 3 x 10-12 Radio waves Infrared UV Gamma rays 60Hz (current) Microwaves X-rays 104 Frequency (Hz) 100 1014 10 104 Cellular phones Maritime and aeronautical uses AM radio Maritime, aeronautical, and mobile radio TV Ch 2-6 radio FM TV Ch7-69 Maritime, aeronautical, citizens band, and mobile radio 10 107 10 10 1010 101 Frequency (Hz) In order to study the structure of a crystalline solid, you want to illuminate it with EM radiation whose wavelength is the same as the spacing of the atoms in the crystal (0.210 nm). What is the frequency of the EM radiation? Hz