MCQ Questions for Class 10 Science Human eye and colorful world with Answers: Students CBSE Board Exams 2020 Time Table is out now. The board is going to conduct a Class 10 CBSE Science Exam on 4th March 2020. As per their official notification, this time CBSE Exam Pattern 2020 is having slight changes. The board decided to add MCQ Questions for Class 10 CBSE Board Exams. Here, you will find important MCQs from CBSE Class 10 Science Chapter 11 Human eye and colorful world along with the answers.
CBSE Class 10 Science MCQs of Human eye and colorful world with Answers
Such Multiple Choice Type Questions are ideal to brushes your basic concepts to answer in CBSE Class 10 Science Exam 2020. Also, this objective type questions will help you to adjust with all various approaches. In this article, we have provided Human eye and colorful world MCQ Questions for Class 10 CBSE Science Exam 2020 with a detailed explanation of answers. It makes easy to grasp the in-depth concept and logic of the question. So, practice below provided MCQ’s of CBSE Class 10 Chapter 11 Human eye and colorful world topics to score maximum marks in your pre-board and final board exams.
Question 1. The least distance of distinct vision for a nor¬mal eye is
(b) 25 cm
(c) 2.5 cm
(d) 25 m
Question 2. A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power
(a) +0.5 D
(b) -0.5 D
(c) +0.2 D
(d) -0.2 D
Question 3. The defect of vision in which a person cannot see the distant objects clearly but can see nearby objects clearly is called
(d) bifocal eye
Question 4. The splitting of white light into different colours on passing through a prism is called
Question 5. At noon, the Sun appears white as
(a) blue colour is scattered the most
(b) red colour is scattered the most
(c) light is least scattered
(d) all the colours of the white light are scattered away
Question 6. Twinkling of stars is due to
(a) reflection of light by clouds
(b) scattering of light by dust particles
(c) dispersion of light by water drops
(d) atmospheric refraction of starlight
Question 7. When white light enters a glass prism from air, the angle of deviation is least for
(a) blue light
(b) yellow light
(c) violet light
(d) red light
Question 8. When white light enters a glass prism from air, the angle of deviation is maximum for
(a) blue light
(b) yellow light
(c) red light
(d) violet light
Question 9. The amount of light entering the eye can be controlled by the
(d) ciliary muscles
Question 10. What type of image is formed by the eye lens on the retina?
(a) Real and erect
(b) Virtual and inverted
(c) Real and inverted
(d) Virtual and erect
Question 11. The medical condition in which the lens of the eye of a person becomes progressively cloudy resulting in blurred vision is called
Question 12. The defect of the eye in which the eye-ball becomes too long is
Question 13. The defect of vision in which the image of nearby objects is formed behind the retina, is
Question 14. Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
(a) Twinkling of stars
(b) Stars seem higher than they actually are
(c) Advanced sunrise and delayed sunset
Question 15. Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
(a) Isaac Newton
(d) Hans Christian Oersted
Fill in the Blanks
1. The ability of the eye to focus both near and distant objects, by adjusting its focal length, is called the ……….. of the eye.
2. ……….. of light causes the blue colour of sky and reddening of the Sun at sunrise and sunset.
3. Most of the refraction of light rays entering the eye occurs at the outer surface of the ……….. .
4. Due to the greater converging power of the eye lens in a myopic eye, the image of distant object is formed ……….. the retina.
5. A person suffering from both myopia and hypermetropia uses ……….. leases.
4. in front of
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