7 Shortest to Longest wavelength Gamma-rayX-rayUltravioletVisible LightInfraredMicrowaveRadio wave
8 Properties EM waves are all transverse wave The speed of all the EM wave in vacuum is the sameHow fast is the speed of light in vacuum?Speed of Light = 3 x 108 m/sSpeed of all the EM wave = 3 x 108 m/s
9 Properties & Application NamePropertiesApplicationGamma-rayPenetrate matterKill cancer cellsX-rayLess penetrating than Gamma-rayTake “pictures” of bones in the bodyUltravioletGiven off by the Sun in large quantitiesDetect counterfeit notesVisible LightThe only EM waves visible to our eyesEnables us to see thingsInfraredProduced by all objects with temperature higher than 0 Kelvin (-273oc)HeatingMicrowaveGenerated by extremely high frequency electric currentCooking in microwaveRadio waveGenerated by high frequency electric currentTV & radio broadcasting
13 which kind of wave has the highest energy? ConclusionWaves in EM Spectrum are all transverse waves.They travel at the same speed, 3 x 108 m/s, in vacuumGamma-rayX-rayUltra-violetInfra-redMicro waveRadio wavewhich kind of wave has the highest energy?