Waves 1

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Across
  1. 3. - This type of filter can polarise unpolarised light
  2. 6. - These waves cannot be polarised
  3. 7. - The type of electromagnetic wave with the shortest frequency
  4. 8. - The type of electromagnetic wave which the lowest energy
  5. 10. - The plane of polarisation of an electromagnetic wave is defined as the plane in which the ______ oscillates
  6. 11. polarised - Transverse waves are _____________ if the vibrations only stay in one plane
Down
  1. 1. - An example of a longitudinal wave
  2. 2. - The type of waves which are oscillating electric and magnetic waves which can travel through a vacuum
  3. 4. waves - A type of wave that passes through a substance
  4. 5. - Longitudinal waves are waves in which the direction of vibration of the particles is _________ to the direction that the wave travels
  5. 9. - These waves vibrate in a direction perpendicular to the direction that the wave travels