Solution

The electromagnetic spectrum is the name we use when we talk about different types of radiation as a group. The partsof the electromagnetic spectmm,               arranged             from highestenergytolowest,aregammarays,X- rays,ultravioletlight,visiblelight,infraredlight, microwaves, and radio waves. All the parts of theelectromagneticspectrumarethesamething radiation.Radiationismadeupofastreamof photons — particles without mass that move in awavepattern,allatthesamespeed—thespeed of light.