Across
- 1. Expensive and highest refractive index
- 6. One can't see nearby object.
- 9. Phenomenon by which you can see your face in the mirror.
- 10. Supplies visual information to the brain
- 13. Image is formed in human eye.
- 18. Pencil seems to be bend when dropped half in the water.
- 20. Harmful rays
- 21. Present in the retina which detects intensity
- 22. He said about the particle nature of light
- 24. When output angle is 90.
- 25. Spectrum of color
- 27. Transparent material capable to burn wood.
- 28. Old age disease.
- 30. Parallel light passes through this point.
Down
- 2. It can change the size of pupil
- 3. One can't see far away objects.
- 4. Always 90 degree
- 5. Most of the light is refracted through this.
- 7. Rare view mirror
- 8. Fast color
- 9. Ratio of the velocity of media.
- 11. Milky lens
- 12. Rainbow formation is due to that phenomenon.
- 14. Most brilliant physicist ever.
- 15. This lens forms always virtual and erect image.
- 16. Slow color
- 17. Present in the retina which detects color
- 19. Ultimate source of energy
- 23. Study of light
- 26. Northern lights are of this(Aurora)
- 28. Study of nature
- 29. Normal eye can see up to this