a) EM waves

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Last updated 9:40 PM on 3/5/26
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4 Terms

1
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  • define an EM wave


  • an electric and magnetic field oscillating perpendicular to each other


2
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  • state six properties of EM waves


  • transverse

  • can be reflected

  • can be refracted

  • can be diffused

  • can be polarised

  • can travel through vacuums → at a speed of 3 × 108ms-1


3
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  • state the waves in the EM spectrum from lowest to highest frequency


  • radio waves

  • microwaves

  • infrared waves

  • visible light waves

  • ultraviolet waves

  • x-rays

  • gamma rays


4
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  • n/a


  • n/a