Waves Crossword

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Across
  1. 5. Harmonic Motion where the restoring force is directly proportional to the displacement and acts
  2. 8. the number of crests of a wave that move past a given point in a given unit of time
  3. 9. it
  4. 10. Angle the angle of incidence that provides an angle of refraction of 90-degrees
  5. 11. associated wave
  6. 13. the reduction of an item's density, the opposite of compression
  7. 14. the direction opposite to that of displacement.
  8. 15. difference the difference in path traversed by the two waves , measured in terms of wavelength of
  9. 16. the change in direction of a wave front at an interface between two different media so that
  10. 18. it with a given level on a logarithmic scale
  11. 20. speed
  12. 22. a fixed relationship between the phase of waves in a beam of radiation of a single
  13. 25. the highest point of a wave
  14. 26. A device that produces a very narrow, highly concentrated beam of light
  15. 29. to the surface at the point of reflection
  16. 30. at an angle larger than a particular critical angle with respect to the normal to the surface
  17. 31. seen in a plane mirror
Down
  1. 1. variation of intensities of, usually, perpendicular electric and magnetic fields
  2. 2. lowest point of a wave
  3. 3. the separation of white light into a color spectrum by a prism
  4. 4. image An image from which rays of reflected or refracted light appear to diverge, as from an
  5. 6. wave a wave produced by the acceleration of an electric charge and propagated by the
  6. 7. The distance between one peak of a wave to the next corresponding peak
  7. 12. the change in direction of a wave passing from one medium to another caused by its change
  8. 16. power is the ability of an imaging device to separate points of an object that are located at a
  9. 17. what makes a particular musical sound different from another, even when they have the same
  10. 19. and loudness
  11. 20. the rate at which energy flows through a unit area perpendicular to the direction of wave
  12. 21. A substance that makes possible the transfer of energy from one location to another
  13. 23. a unit used to measure the intensity of a sound or the power level of an electrical signal by
  14. 24. of Incidence the angle that a straight line, ray of light, etc., meeting a surface, makes with a
  15. 27. Internal reflection a phenomenon which occurs when a propagating wave strikes a medium
  16. 28. angular distance or it is the power of an optical instrument to separate far away objects that are