WAVES

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Across
  1. 6. abrupt change in the direction of propagation of a wave that strikes the boundary between different mediums
  2. 7. the net effect of the combination of two or more wave trains moving on intersecting or coincident paths.
  3. 8. The highest surface part of a wave
  4. 11. the entire distribution of electromagnetic radiation according to frequency or wavelength.
  5. 12. the incident ray bouncing back in the same medium after striking the reflecting surface.
  6. 13. the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave
  7. 14. a wave vibrating in the direction of propagation.
  8. 16. the reflection of light from a surface such that an incident ray is reflected at many angles, rather than at just one angle
  9. 17. the angle between the direction of motion of the wave and a line drawn perpendicular to the reflecting boundary.
  10. 19. the point on the medium that exhibits the maximum amount of negative or downward displacement from the rest position.
  11. 20. a wave with a repeating continuous pattern which determines its wavelength and frequency
  12. 21. also called stationary wave, combination of two waves moving in opposite directions, each having the same amplitude and frequency.
  13. 22. a ray of light that hits a surface
  14. 24. a point along a standing wave where the wave has minimum amplitude.
  15. 26. a force that squeezes something together.
  16. 29. a single disturbance that moves through a transmission medium
  17. 30. reflection such that the angle of reflection of the light is equal to the angle of incidence and on the opposite side of the normal to the point of incidence.
  18. 32. wave movement.
  19. 34. a wave in which the particles of the medium move progressively in the direction of the wave propagation with such a gradation of speeds that the faster overtake the slower and are themselves in turn overtaken.
  20. 35. when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection.
  21. 36. the fraction of a period
  22. 37. the change in direction of a wave passing from one medium to another caused by its change in speed.
  23. 38. the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position.
  24. 39. the time for a particle on a medium to make one complete vibration cycle.
  25. 40. a region of maximum amplitude situated between adjacent nodes in a vibrating body.
  26. 43. a decrease in the density of something.
  27. 44. the number of waves that pass a fixed point in unit time
Down
  1. 1. the spreading of waves around obstacles.
  2. 2. a type of interference that occurs at any location along the medium where the two interfering waves have a displacement in the opposite direction.
  3. 3. When two waves of identical wavelength are in phase, they form a new wave with an amplitude equal to the sum of their individual amplitudes.
  4. 4. the apparent difference between the frequency at which sound or light waves leave a source and that at which they reach an observer, caused by relative motion of the observer and the wave source.
  5. 5. when two or more waves overlap in space, the resultant disturbance is equal to the algebraic sum of the individual disturbances.
  6. 9. Law “The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant, for the light of a given color and for the given pair of media”
  7. 10. a wave vibrating at right angles to the direction of its propagation.
  8. 15. the pulsation caused by the combination of two waves of slightly different frequencies.
  9. 18. relatively large selective response of an object or a system that vibrates in step or phase, with an externally applied oscillatory force.
  10. 23. movement back and forth at a regular speed.
  11. 25. measure of the bending of a ray of light when passing from one medium into another.
  12. 27. a wave that is not capable of transmitting its energy through a vacuum.
  13. 28. property of certain electromagnetic radiations in which the direction and magnitude of the vibrating electric field are related in a specified way.
  14. 31. the angle made by a reflected ray with a perpendicular to the reflecting surface.
  15. 33. describes light that has the same wavelength so it is one color.
  16. 41. The sensation of a frequency
  17. 42. a substance or material that carries the wave.