Refraction of Light

1. Define the refractive index in terms of velocity

Question 1 of 36

2. Is it possible for a ray of light to have an angle of refraction greater than 90 degrees?

Question 2 of 36

3. Mention the disadvantage to which a plane mirror has that make it not preferable for used in a periscope and other optical instrument?

Question 3 of 36

4. What happens when light travels from a less dense medium (air) to a denser medium (glass)?

Question 4 of 36

5. What is the name given for an angle of incidence in the dense medium for which the angle of refraction in the less dense medium is 90 degrees?

Question 5 of 36

6. Vertical displacement is the difference between real depth and apparent depth?

Question 6 of 36

7. State the Law of refraction

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8. Which of the following statement is CORRECT about refraction?

Question 8 of 36

9. What is the relationship between Critical angle and refractive index?

Question 9 of 36

10. Give the refractive index for a ray of light travelling from medium 1 to 2?

Question 10 of 36

11. Define the refractive index in terms of velocity for a light ray travelling from vacuum to medium?

Question 11 of 36

12. Can total internal reflection occur when light travels from a less dense medium to a denser medium like air to water?

Question 12 of 36

13. What happens when light travels from a dense medium (glass) to a less dense medium (air)?

Question 13 of 36

14. Give the refractive index (according to the principle of reversibility of light) for a light ray reversed from medium 2 to 1?

Question 14 of 36

15. Briefly describe what happens when a light ray travelling from air to a glass block that is parallel-sided (displaced laterally)?

Question 15 of 36

16. Which of the following is NOT an application of total internal reflection?

Question 16 of 36

17. Which of the following medium can total internal reflection occur as light is travelling?

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18. Will refraction occur when a ray of light travels perpendicular to the interface from one medium to another?

Question 18 of 36

19. Light is bent as it travels from one medium to another and this bending occurs only at the interface?

Question 19 of 36

20. Will refraction occur when the angle of incidence of the light is zero and there is no change in direction?

Question 20 of 36

21. Is it possible for a ray of light to have an angle of refraction less than 90 degrees?

Question 21 of 36

22. Refraction is the bending of light at the interface when it travels from one medium to another?

Question 22 of 36

23. Define critical angle

Question 23 of 36

24. Mention the 2 key main factors for total internal reflection to occur?

Question 24 of 36

25. Refractive index of a material (in terms of real and apparent depth) is?

Question 25 of 36

26. Briefly explain what shall happen when the angle of incidence exceeds the critical angle C?

Question 26 of 36

27. Define the principle of reversibility of light

Question 27 of 36

28. Define Lateral displacement

Question 28 of 36

29. What happens when light travels from a dense medium (glass) to a less dense medium (air)?

Question 29 of 36

30. Is the following formula correct when comparing velocity of light rays between 2 media: n1V1 = n2V2 ?

Question 30 of 36

31. Vacuum has a refractive index of 1?

Question 31 of 36

32. Which of the following medium do you expect a greater refraction?

Question 32 of 36

33. What happens when light travels from a less dense medium (air) to a dense medium (glass)?

Question 33 of 36

34. Which of the following medium do you expect a weak refraction?

Question 34 of 36

35. Define absolute refractive index?

Question 35 of 36

36. Define Snell's Law

Question 36 of 36