Optics Crossword

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Across
  1. 3. Bending of light when traveling to a different medium
  2. 5. Object from which light comes
  3. 7. Telescope that uses mirrors
  4. 9. Line of light in an optics diagram
  5. 11. Study of the relationship between sides and angles of a triangle
  6. 13. Between water and air which one is rarer?
  7. 15. Light changing the direction after hitting a surface
Down
  1. 1. Longest side in a triangle
  2. 2. Between water and air which one is denser?
  3. 3. Telescope that uses lenses
  4. 4. Ratio of sin and cos
  5. 6. Study of interaction of light with different surfaces
  6. 8. Object that reflects light
  7. 10. Side opposite to the angle/Hypotenuse
  8. 12. line at 90 degrees to the surface
  9. 14. Object that refracts light
  10. 16. Side adjacent to the angle/Hypotenuse