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

 
 
 
 

2. Twinkling of stars is due to atmospheric

 
 
 
 

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

 
 
 
 

4. 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?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. The phenomenon of dispersion prove that

 
 
 
 

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

 
 
 
 

13. The clear sky appears blue because

 
 
 
 

14. At noon the sun appears white as

 
 
 
 

15. 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

 
 
 
 

16. 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

 
 
 
 

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

 
 
 
 

18. 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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. A prism is used to

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. 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?

 
 
 
 

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