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Sunday, 15 April 2012

Electromagnetic Waves

ELECTROMAGNECTIC WAVES

An electromagnetic wave consists of perpendicular vibrations of magnetic and electric fields.
Properties of electromagnetic wave:
  • They can transfer energy from one point to another.
  • They are transverse wave
  • They can travel through vacuum
  • They travel at the same speed of the light
  • They can be polarised
  • They all can undergo reflection, diffraction, refraction and interference

Yr 2013 P1 Q30 @ pg 338: positions of infra-red, ultra-violet and gamma ray in the E.M.W

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