Waves

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Across
  1. 2. ____ occurs when light waves encounter an obstacle or aperture on the order of the wavelength of light.
  2. 4. The maximum displacement of the medium from its equilibrium position.
  3. 7. The minimum distance between two points that are in phase.
  4. 8. Particle of the medium moves in a direction perpendicular to the direction in which the wave moves is the definition of ____ waves.
  5. 9. The unit for frequency.
Down
  1. 1. Time taken for one complete oscillation.
  2. 3. The information of wavelength cannot be determined from displacement vs ____ graph.
  3. 5. The amplitude of two waves will combine if they are moving in the same ____.
  4. 6. Longitudinal waves occur when particles of the medium move in a direction ____ to the direction in which the wave moves.