Boost Your Preparation with the Class 10 Science Mock Test – Human Eye and The Colorful World

Are you ready to check how well you understand some of the most fascinating topics in Physics? This MCQs-based mock test on Human Eye and The Colorful World is specially designed to help Class 10 students strengthen their concepts and practice effectively for exams.

The test covers important concepts such as the structure and functioning of the human eye, defects of vision and their corrections, reflection and refraction of light, dispersion, and the formation of rainbows. With carefully curated multiple-choice questions, this mock test will not only assess your knowledge but also train you to apply concepts in a clear and exam-oriented way.

By attempting this test, you can:

  • Revise essential concepts quickly.
  • Gain confidence in solving exam-oriented questions.
  • Identify your strengths and weak areas.
  • Improve your speed and accuracy with MCQs.

Take this free practice test now and get a step closer to mastering the chapters on Human Eye and The Colorful World. Challenge yourself and see how much you truly understand the behavior of light and vision!

1. Refraction of light by the earth’s atmosphere due to variation in air density is called

 
 
 
 

2. The air layer of atmosphere whose temperature is less then the hot layer behave as optically

 
 
 
 

3. The deflection of light by minute particles and molecules of the atmosphere in all direction is called ___________ of light.

 
 
 
 

4. In the following diagram, the correctly marked angles are

 
 
 
 

5. The basic cause of refractive error that makes far-away objects look blurry is

 
 
 
 

6. At noon the sun appears white as

 
 
 
 

7. 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

 
 
 
 

8. In the diagram given below, X and Y are the end colours of the spectrum of white light. The colour of ‘Y’ represents the

 
 
 
 

9. Corrective lens used to correct the myopic defect of eye forms a virtual image of distant object at

 
 
 
 

10. The defect of vision in which the person is able to see distant object distinctly but cannot see nearby objects clearly is called

 
 
 
 

11. The phenomenon of dispersion prove that

 
 
 
 

12. The bluish colour of water in deep sea is due to

 
 
 
 

13. The black opening between the aqueous humour and the lens is called

 
 
 
 

14. A prism is used to

 
 
 
 

15. Twinkling of stars is due to atmospheric

 
 
 
 

16. A person’s near point is at 45 cm and far point is at 2 m. What kind of corrective lens is BEST suited for his vision defect?

 
 
 
 

17. Near and far points of a young person normal eye respectively are:

 
 
 
 

18. The clear sky appears blue because

 
 
 
 

19. When the eye is looking at a distant objects, the ciliary muscles are in a

 
 
 
 

20. The defect of vision in which image of nearby objects is formed behind the retina is

 
 
 
 

21. The muscular diaphragm that controls the size of the pupil is

 
 
 
 

22. When a ray of light passes through a glass prism it suffers two refractions. During these refractions the ray bends:

 
 
 
 

23. In the formation of rainbow, the role of water droplet presents in water fountains is to act as a

 
 
 
 

24. The ability of eye lens to adjust its focal length to form a sharp image of the object at varying distances on the retina is called

 
 
 
 

25. Which of the following can be directly affected if the iris does not function properly?

 
 
 
 

26. Rohan lit an incense stick in his room and after an hour observed that when a beam of sunlight entered his room through a small gap in the window, he was able to see the path of the beam. Which of the following is most likely TRUE about the air present in the room?

 
 
 
 

27. When sunlight enters the water droplet suspended in the atmosphere after rainfall, it will get

 
 
 
 

28. To an astronaut the sky on the moon appear dark because

 
 
 
 

29. When a narrow beam of white light is passed through two identical prisms, one placed inverted with respect to the other, the emerging beam will be

 
 
 
 

30. When light rays enter the eye, most of the refraction occurs at the

 
 
 
 

Question 1 of 30