WAVES

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Across
  1. 2. wave with a sinusoidal profile
  2. 3. the duration of time of one cycle in a repeating event
  3. 4. it is the initial angle of a sinusoidal function at its origin
  4. 7. it describes mathematically the wave profile as a function of x-t
Down
  1. 1. waves in which the displacement of the medium is in the same direction as the direction of travel of the wave
  2. 3. it travels along elastic media
  3. 5. the distance over which the wave's shape repeats
  4. 6. waves in which the displacement of the medium is perpendicular to the direction of travel of the wave