Across
- 5. magnification
- 8. atmospheric_refraction
- 9. medium
- 13. do
- 15. snell's_law
- 16. density
- 17. mirage
- 18. hyperopia
- 19. TIR
Down
- 1. refraction
- 2. focal_length
- 3. white
- 4. concave_lenses
- 6. n
- 7. Chromatic_dispersion
- 9. myopia
- 10. di
- 11. convex_lenses
- 12. prism
- 14. critical_angle