The Electromagnetic Spectrum. Electromagnetic radiation is a disturbance in an electric field. This results in a magnetic field at right angles to the electric one. Therefore it is called an electromagnetic radiation – electric and magnetic disturbances result!.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
The waves cover a continuous range of wavelengths called the electromagnetic spectrum.They are called different names according to how they are produced and have a wide range of wavelengths
wave speed (metre/second, m/s) = frequency (hertz, Hz) × wavelength (metre, m)
wavespeed = fl
c = fl