Waves

Edit Answers
12345678910111213141516171819202122232425
Across
  1. 3. the number of cycles or vibrations per unit of time
  2. 8. ______ lenses always have a negative focal point
  3. 9. the maximum displacement from equilibrium
  4. 10. perceived frequency
  5. 12. ________ mirrors eliminate spherical aberration
  6. 13. _____'s Law determines the angle of refraction
  7. 14. The motion of a vibrating mass-spring system is an example of simple _____ motion
  8. 15. the change in direction of an electromagnetic wave at a surface that causes it to move away from the surface
  9. 17. simple harmonic motion implies the restoring force is proportional to _____.
  10. 18. the phenomenon of increased amplitude that occurs when the frequency of a periodically applied force is equal or close to the natural frequency of the system
  11. 19. A _____ is produced by the bending of light rays in the atmosphere where there are large temperature differences between the ground and the air
  12. 20. reflection from a smooth, shiny surface
  13. 23. the bending of light as it travels from one medium to another
  14. 25. yellow, cyan, and magenta make up the primary _______ colors of light
Down
  1. 1. ______ lenses always have a positive focal point
  2. 2. the region of a longitudinal wave in which the density and pressure are at a maximum
  3. 4. ________ waves consists of oscillating electric and magnetic fields
  4. 5. at the _____ angle, refracted light makes an angle of 90ยบ with the normal
  5. 6. the periodic variation in the amplitude of a wave that is the superposition of two waves of slightly different frequencies
  6. 7. A _____ wave is a wave whose particles vibrate perpendicularly to the direction of the wave motion
  7. 11. reflection from a rough, texture surface
  8. 12. the time that it takes a complete cycle to occur
  9. 16. A _____ wave is a wave whose particles vibrate parallel to the direction the wave is traveling
  10. 21. a transparent object that refracts light rays such that they converge or diverge to create an image
  11. 22. flat mirrors form ______ images
  12. 23. concave mirrors can be used to form _____ and virtual images
  13. 24. When light passes from a medium with a smaller index of refraction to one with a larger index of refraction (like from air to glass), the ray bends _____ the normal