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Light Book Back Questions & Answers, Exercises, Solutions, Tests, Quizzes, Videos and Podcasts for Class 8 | Unit 3 | Physics | Science | Samacheer Kalvi – English Medium

8th Standard Samacheer Kalvi Physics New Book Back Questions & Answers: https://www.thelearning.app/samacheer-kalvi-english-medium/class-8/science-3/light-2/exercises

Podcasts: https://www.thelearning.app/samacheer-kalvi-english-medium/class-8/science-3/light-2/videos

Tests & Quizzes: https://www.thelearning.app/samacheer-kalvi-english-medium/class-8/science-3/light-2/tests

Flash Cards: https://www.thelearning.app/samacheer-kalvi-english-medium/class-8/science-3/light-2/flashcards

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00:00 Introduction
00:14 Choose the correct answer
05:05 Fill in the blanks
06:28 Match the following
07:01 Match the following

Questions answered in this video –

1. Mirrors having a curved reflecting surface are called as

2. The spherical mirror with a reflecting surface curved inward is called

3. The centre of a sphere of which the reflecting surface of a spherical mirror is a part is called

4. The spherical mirror used as a rear view mirror in the vehicle is

5. The imaginary line passing through the centre of curvature and pole of a spherical mirror is called

6. The distance from the pole to the focus is called

7. Focal length is equal to half of the

8. If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?

9. If the image and object distance is same, then the object is placed at

10. The refractive index of water is

11. The spherical mirror used in a beauty parlour as make-up mirror is ___________.

12. Geometric centre of the spherical mirror is ___________.

13. Nature of the images formed by a convex mirror is ___________.

14. The mirror used by the ophthalmologist to examine the eye is ___________.

15. It the angle of incidence is 45° then the angle of reflection is ________.

16. Two mirrors are parallel to each other, then the number of images formed is __________.

17. Convex mirror

18. Parobolic mirror

19. Regular reflection

20. Irregular reflection

21. Snell’s law

22. Dispersion of light

23. Refractive index

24. Multiple reflection

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