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Electromagnetic Waves
transverse progressive waves made of electric and magnetic fields that oscillate at right angles to each other and to the direction of wave travel.
Electromagnetic Spectrum from highest wavelength and lowest frequency to longest wavelength and highest frequency
Radio waves, Microwaves,Infrared waves, Visible light, UV Light, X- Rays, Gamma Rays
Possible range of wavelengths of Visible light
7×10-7 to 4×10-7 metres
Possible range of overlap between X-Rays and Gamma Rays
10-10 to 10-13 metres
Speed that all EM waves travel at
3.0 × 108 ms-1 (The speed of light, Denoted by ‘c’)
Equation of an EM wave
c=f x lambda