NCERTCOURSE.COM- Find here the NCERT/CBSE chapter-wise Multiple Choice Questions from Class 10 Science book Chapter 11 Human Eye and Colourful World with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Human Eye and Colourful World. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.
MCQ Questions for Class 10 Science Physics with Answers
Q1. When white light enters a glass prism from air, the angle of deviation is maximum for
(i) blue light
(ii) yellow light
(iii) red light
(iv) violet light
(iii) red light
Q2. Which of the following statements is correct regarding the propagation of light of different colours of white light in air?
(i) Red light moves fastest.
(ii) Blue light moves faster than green light.
(iii) All the colours of the white light move with the same speed.
(iv) Yellow light moves with the mean speed as that of the red and the violet light.
(iii) All the colours of the white light move with the same speed.
Q3. A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power
(i) + 0.5 D
(ii) – 0.5 D
(iii) + 0.2 D
(iv) – 0.2 D
(ii) – 0.5 D
Q4. The image formed on the retina of the human eye is
(i) virtual and inverted
(ii) real and inverted
(iii) real and erect
(iv) virtual and erect
(ii) real and inverted
Q5. When white light enters a glass prism from air, the angle of deviation is least for
(i) blue light
(ii) yellow light
(iii) violet light
(iv) red light
(iv) red light
Q6. Twinkling of stars is due to atmospheric
(i) dispersion of light by water droplets
(ii) refraction of light by different layers of varying refractive indices
(iii) scattering of light by dust particles
(iv) internal reflection of light by clouds
(ii) refraction of light by different layers of varying refractive indices
Q7. The splitting of white light into different colours on passing through a prism is called
(i) reflection
(ii) refraction
(iii) dispersion
(iv) deviation
(iii) dispersion
Q8. When a person is myopic, he/ she can clearly see
(i) both nearby and far off objects
(ii) Only nearby objects
(iii) only far off objects
(iv) Neither nearby nor far off objects
(ii) Only nearby objects
Q9. At noon, the Sun appears white as
(i) blue colour is scattered the most
(ii) red colour is scattered the most
(iii) light is least scattered
(iv) all the colours of the white light are scattered away
(iii) light is least scattered
Q10. At noon the sun appears white as
(i) light is least scattered.
(ii) all the colours of the white light are scattered away.
(iii) blue colour is scattered the most.
(iv) red colour is scattered the most.
(i) light is least scattered.
Q11. The amount of light entering the eye can be controlled by the
(i) iris
(ii) pupil
(iii) cornea
(iv) ciliary muscles
(ii) pupil
Q12. The defect of vision in which the person is able to see distant object distinctly but cannot see nearby objects clearly is called
(i) Long-sightedness
(ii) Far-sightedness
(iii) Hypermetropia
(iv) All of the above
(iv) All of the above
Q13. The defect of vision in which a person cannot see the distant objects clearly but can see nearby objects clearly is called
(i) myopia
(ii) hypermetropia
(iii) presbyopia
(iv) bifocal eye
(i) myopia
Q14. A dark muscular membrane which controls size of pupil
(i) eye
(ii) iris
(iii) cornea
(iv) retina
(ii) iris
Q15. The black opening between the aqueous humour and the lens is called
(i) retina
(ii) iris
(iii) cornea
(iv) pupil
(iv) pupil
Q16. The muscular diaphragm that controls the size of the pupil is
(i) cornea
(ii) ciliary muscles
(iii) iris
(iv) retina
(iii) iris
Q17. Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
(i) Isaac Newton
(ii) Einstein
(iii) Kepler
(iv) Hans Christian Oersted
(i) Isaac Newton
Q18. Type of lens used in correction of hypermetropia
(i) concave lens
(ii) reflecting lens
(iii) bifocal lens
(iv) convex lens
(iv) convex lens
Q19. Bi-focal lens are required to correct
(i) astigmatism
(ii) coma
(iii) myopia
(iv) presbyopia
(iv) presbyopia
Q20. The human eye forms the image of an object at its
(i) Cornea
(ii) Iris
(iii) Pupil
(iv) Retina
(iv) Retina
Q21. The defect of vision in which the image of nearby objects is formed behind the retina, is
(i) myopia
(ii) short-sightedness
(iii) hypermetropia
(iv) presbyopia
(iii) hypermetropia
Q22. Reason behind advance sunrise and delayed sunset
(i) atmospheric refraction
(ii) total internal reflection
(iii) dispersion
(iv) reflection
(i) atmospheric refraction
Q23. The least distance of distinct vision for an eye lens is caused by the action of the
(i) 25 m
(ii) 2.5 cm
(iii) 25 cm
(iv) 2.5 m
(iii) 25 cm
Q24. The human eye can focus objects at different distances by adjusting the focal length
of the eye lens. This is due to
(i) Presbyopia
(ii) Accommodation
(iii) Near-sightedness
(iv) Far-sightedness
(ii) Accommodation
Q25. The medical condition in which the lens of the eye of a person becomes progressively cloudy resulting in blurred vision is called
(i) myopia
(ii) hypermetropia
(iii) presbyopia
(iv) cataract
(iv) cataract
Q26. The focal length of the eye lens increases when eye muscles
(i) are relaxed and lens becomes thinner
(ii) contract and lens becomes thicker
(iii) are relaxed and lens becomes thicker
(iv) contract and lens becomes thinner
(i) are relaxed and lens becomes thinner
Q27. When white light enters a prism, it gets split into its constituent colours. This is due to
(i) different refractive index for different wavelength of each colour
(ii) each colours has same velocity in the prism.
(iii) prism material have high density.
(iv) Scattering of light
(i) different refractive index for different wavelength of each colour
Q28.The image formed on the retina of the human eye is
(i) virtual and inverted
(ii) real and inverted
(iii) real and erect
(iv) virtual and erect
(ii) real and inverted
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