waves

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Across
  1. 3. Measurement in Hertz(Hz)
  2. 4. Set of all electromagnetic waves ordered by frequency or wavelength
  3. 10. Distance between two consecutive points on the wave
  4. 11. Substance or material through which the wave propagates, for example air
  5. 12. Superposition of waves that cancel each other
  6. 13. Determine the intensity of the wave
  7. 14. Movement parallel to the direction of propagation.
  8. 15. Movement perpendicular to the direction of propagation.
Down
  1. 1. Distance traveled by the wave in a unit of time.
  2. 2. Propagation of energy through space.
  3. 5. Wave propagation around obstacles
  4. 6. Change in perceived frequency due to relative motion between source and observer
  5. 7. Change of direction of the wave when passing from one medium to another
  6. 8. Change of direction of the wave when it hits a surface
  7. 9. Superposition of mutually reinforcing waves