Human Eye and Colourful World

Grade 10 Science — Human Eye and Colourful World: 25 practice questions with instant scoring and explanations.

1. The lens of the human eye is:
2. Accommodation in the human eye is the ability to:
3. Myopia (short-sightedness) occurs when:
4. Myopia is corrected using:
5. Hypermetropia (long-sightedness) occurs when:
6. Hypermetropia is corrected using:
7. Presbyopia occurs due to:
8. The colored part of the eye is called:
9. The power of accommodation of normal human eye is approximately:
10. Dispersion of light is:
11. A prism splits white light because:
12. In dispersion, violet light bends:
13. A rainbow is formed due to:
14. The color at the outer edge of a rainbow is:
15. Scattering of light occurs when light interacts with:
16. Blue light is scattered more than red light because:
17. The sky appears blue because:
18. The sun appears red at sunset because:
19. Tyndall effect is observed in:
20. The focal length of human eye lens at rest is approximately:
21. Color blindness is usually due to:
22. Astigmatism occurs due to:
23. The near point of normal human eye is:
24. The far point of normal human eye is:
25. A secondary rainbow appears due to: