#2

Edit Answers
123456789101112131415
Across
  1. 1. when two or more waves overlap in space, the resultant disturbance is equal to the algebraic sum of the individual disturbances
  2. 3. the entire distribution of electromagnetic radiation according to frequency or wavelength
  3. 5. the angle of the reflected ray is equal to the angle of the incident ray
  4. 6. a ray of light that strikes a surface
  5. 9. the relationship between the angles of incidence and refraction
  6. 10. the spreading of waves around obstacles
  7. 11. the attribute that wave oscillations have a definite direction relative to the direction of propagation of the wave.
  8. 13. the pulsation caused by the combination of two waves of slightly different frequencies.
  9. 14. a point along a standing wave where the wave has minimum amplitude
  10. 15. a point along a standing wave where the wave has maximum amplitude
Down
  1. 2. the redirection of a wave as it passes from one medium to another
  2. 4. the change in the direction of a wavefront at the interface between two different media
  3. 7. the change in frequency of a wave in relation to an observer who is moving relative to the wave source
  4. 8. the angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence
  5. 12. regular variation in magnitude or position around a central point.