MCQ Questions for Class 10 Science Chapter 11 The Human Eye and Colourful World with Answers
1. Farthest point of a normal eye is
2. Crystalline lens of people at old age becomes milky and cloudy. This condition is called
3. The splitting of light into its component colours is called
4. ifocal lens is used in
5. Stars appears to be twinkling because of
6. Refraction of light by the earth’s atmosphere due to variation in air density is called
7. One cannot see through the fog, because
8. At noon the sun appears white as [NCERT Exemplar Problems]
9. One cannot see through the fog, because
10. A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power [NCERT Exemplar Problems]
11. At noon the sun appears white as [NCERT Exemplar Problems]
12. Twinkling of stars is due to atmospheric [NCERT Exemplar Problems]
13. The bluish colour of water in deep sea is due to [NCERT Exemplar Problems]
14. When light rays enter the eye, most of the refraction occurs at the [NCERT Exemplar Problems]
15. The focal length of the eye lens increases when eye muscles [NCERT Exemplar Problems]
16. A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using lens of power
17. At noon the sun appears white as
18. Which of the following phenomena of light are involved in the formation of a rainbow?
19. Twinkling of stars is due to atmospheric
20. The clear sky appears blue because
21. Which of the following statements is correct regarding the propagation of light of different colours of white light in air?
22. The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light
23. Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
24. The bluish colour of water in deep sea is due to
25. When light rays enter the eye, most of the refraction occurs at the
26. The focal length of the eye lens increases when eye muscles
27. Which of the following statement is correct?
28. The splitting of white light into its component colours is called
29. Reason behind advance sunrise and delayed sunset
30. Type of lens used in correction of myopia
31. Type of lens used in correction of hypermetropia
32. Myopia may arise due to
33. In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray:
34. A dark muscular membrane which controls size of pupil
35. Least distance of distinct vision for normal eye is
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