Across
- 8. -Light travel in straight lines
- 11. - Constructive and Destructive
- 13. - Light bounces as it strikes a surface
- 15. - Courpuscular theory
- 18. - Apparent shift in the position of object caused by refraction
- 19. - J
- 21. - Distance between peak of a wave
- 24. - Discussed the rpopagation
- 25. -Dispersion of sunlight ing drops of water
- 27. - Water droplets and ice crystal joined
- 28. - Triangular glass block
Down
- 1. - Lights as bends as it passes a medium
- 2. - max planck introduced in 1900
- 3. - Lights Spread out as it passes a barrier
- 4. - Proposed vision is caused by visual rays
- 5. - Curves Outwards
- 6. - Difference in Degree of refraction
- 7. - Developed a model of vision
- 9. - Ice crystals which have vertically oriented axis
- 10. - F
- 12. - Suggested that light is composed of tiny particles
- 14. - Electromagnetic wave
- 16. - Different range of color
- 17. -Curves inward
- 20. Refraction of light in ice Crystals
- 22. - wave theory
- 23. - H
- 26. - oscillation accompanied by a transfer of energy.