Physics Chapter 13 Crossoword

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Across
  1. 1. these types of mirrors are used to fix spherical aberration
  2. 7. the photoelectric effect shows the ____-like behavior of light
  3. 9. as ____ increases, the speed of the electrons increases
  4. 12. the minimum frequency needed to produce current in the photoelectric effect
  5. 13. in light, the electric and magnetic fields oscillate perpendicular to the direction of ____
  6. 14. this type of image appears upright and occurs when light rays diverge
  7. 15. this type of image appears inverted and can be projected onto a screen
  8. 17. when light encounters a new medium and bounces off the boundary between the materials
  9. 19. a particle representing a quantum of light
  10. 20. as ____ increases, the number of electrons ejected increases
Down
  1. 2. in flat mirrors, the focal length is ____
  2. 3. minimum energy needed to remove an electron from a metal atom
  3. 4. all _____ waves move at the speed of light
  4. 5. electromagnetic waves with the highest frequency
  5. 6. these mirrors can produce real and virtual images
  6. 8. the angle of ____ must equal the angle of reflection
  7. 10. subatomic particles ejected by the photoelectric effect
  8. 11. electromagnetic waves with the highest wavelength
  9. 16. these mirrors always have a magnification of 1
  10. 18. this type of spherical mirror only produces virtual images