Physics Chapter Light

1234567891011121314151617
Across
  1. 4. used to correct person with long sightedness
  2. 6. image that can be formed on a screen
  3. 8. angle between refracted ray and normal
  4. 10. light completely reflected back into the denser medium when angle of incidence is greater than critical angle
  5. 11. right side of the object appears as its left side
  6. 12. angle of incidence when angle of refraction is 90° when light passing through from denser to less dense medium
  7. 15. used to describe when image is smaller than the object
  8. 16. image that cannot be formed on a screen
  9. 17. distance between optical centre and principal focus
Down
  1. 1. angle between emergent ray and normal
  2. 2. bending effect of light due to change in speed of light when travel in a medium with different density
  3. 3. angle between incident ray and normal line
  4. 5. angle between reflected ray and normal line
  5. 6. ratio between speed of light in vacuum and speed of light in the medium
  6. 7. when light travel from less dense to denser medium it refracts __________ normal
  7. 9. used to correct person with short sightedness
  8. 13. when light travel from denser to less dense medium it refracts ______________ normal
  9. 14. an imaginary line perpendicular to the optical surface e.g. mirror