For Your Spare Time...

1234567891011121314151617181920
Across
  1. 3. Type of image formed when light does not arrive or come from the image location
  2. 6. Type of lens that is thickest in the middle and results in parallel rays meeting at a point after refraction
  3. 7. Defined as the perpendicular point stricken by the second medium and incident ray
  4. 9. Defined as the "reproduction of an object through the use of light"
  5. 10. Defined as the "bending of light when it passes from one medium to another"
  6. 11. Travels at 3.00x10^8 m/s (3 Words)
  7. 12. Classificated depending on the colours of the rainbow (ROYGBIV) (2 Words)
  8. 20. Light Defined as the "bouncing back" of light from a surface
Down
  1. 1. Type of image formed when light arrives or is reproduced by the image
  2. 2. An example of the emission of light through a firefly
  3. 4. Centre of the sphere where the surface has been used to construct a mirror (3 Words)
  4. 5. Point at which the principal axis meets the mirror
  5. 8. A line which represents the direction which light travels on a diagram (2 Words)
  6. 13. Represented by "A" in the acronym "SALT"
  7. 14. A ray of light that strikes a surface (2 Words)
  8. 15. The line that is drawn through the centre of curvature to the midpoint of the mirror (2 Words)
  9. 16. A ray which reflects outward from the reflective surface (2 Words)
  10. 17. Defined as a polished surface that reflects an image
  11. 18. Known as a condition of far sightedness
  12. 19. Type of lens that is thinnest in the middle results in parallel rays travelling in different paths after refraction