படிமம்:EM spectrum pt 2.svgDescriptionEM spectrum pt 2.svg Português: Espectro eletromagnético apresentando as regiões de radiações ionizantes e não ionizantes Date 13 October 2017
படிமம்:EM spectrum pt.svgimage is a derivative work of the following images: File:EM_spectrum.svg licensed with Cc-by-sa-2.5,2.0,1.0, Cc-by-sa-3.0-migrated-with-disclaimers, GFDL-en
படிமம்:EM Spectrum Properties pt.svgDescriptionEM Spectrum Properties pt.svg English: A diagram of the EM spectrum, showing the type, wavelength(with examples), frequency, the black body