Physics crosss

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Across
  1. 1. the result of two waves interfering with one another
  2. 3. common way for electrical systems to store energy
  3. 6. any form of matter
  4. 7. an optical illusion caused by the refraction of light
  5. 9. small device used in electric circuits to provide resistance
  6. 11. this only can occur only when light is trying to enter a material with a lower index of refraction
  7. 12. wave oscillate parallel to the direction of propagation
  8. 13. measures the amount of disorder in a system
  9. 17. it relates the strength of the electrostatic force between point charges to the magnitude of the charges and the distance between them.
  10. 18. electrically charged objects set up a force field around them.
  11. 19. unit of electric potensial
  12. 20. lowest point on wave
Down
  1. 2. formed when electric charge flows from one place to another
  2. 4. the maximum displacement from equilibrium
  3. 5. change in direction due to a change in speed
  4. 8. amount of sound energy passing through a given area in given time
  5. 10. vector force field that surrounds any magnetic material
  6. 14. device for measuring resistance
  7. 15. a filter that transmits light waves with only one direction of polarization
  8. 16. wave oscillate at right angle to the direction the wave travels