Rectilinear Propagation of Light

1. A collection of rays of light is?

Question 1 of 41

2. Which of the following statements does NOT describe the principles of images formed by a plane mirror?

Question 2 of 41

3. The ray of light that travels from the source to the reflecting surface is?

Question 3 of 41

4. Which of the following is the formula to get the number of images by two plane mirrors parallel to each other?

Question 4 of 41

5. Non-luminous sources do not produce light of their own but are seen when light from a luminous source reflects on them?

Question 5 of 41

6. Name the types of mirrors used in reflection of Light?

Question 6 of 41

7. Reflection of parallel ray of lights on a rough surface is?

Question 7 of 41

8. Mention the two types of reflection?

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9. Images formed when you stand next to a plane mirror are called?

Question 9 of 41

10. A Beam of light which appears to spread out is said to be?

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11. Parallax is the relative motion of two objects due to the movement of the observer?

Question 11 of 41

12. Which of the following are the 2 laws of reflection?

Question 12 of 41

13. Reflection of parallel ray of lights on a very smooth polished surface is called?

Question 13 of 41

14. Which of the following is a Non-luminous source?

Question 14 of 41

15. The path along which light energy travels is?

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16. Which of the following is the formula to get the number of images by a plane mirror which is inclined at a certain angle?

Question 16 of 41

17. Objects which DO allow SOME light to pass through them BUT we cannot see through them are referred to as?

Question 17 of 41

18. Which of the following is NOT a definition of magnification

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19. The angle of reflection is the angle between the reflected ray and the normal:

Question 19 of 41

20. A Beam of light which appears to collect at point is referred to as being?

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21. The angle of incidence is the angle between the incident ray and the normal:

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22. Which of the following statements is INCORRECT about parallax?

Question 22 of 41

23. Which of the following is not an application of plane mirrors?

Question 23 of 41

24. Define virtual images?

Question 24 of 41

25. The amount of light energy reflected by a body depends on the nature of the surface of the body (smooth or rough)?

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26. Reflection is the bouncing off of light?

Question 26 of 41

27. WHICH LAW BEST describes the observation when you rotate a mirror throughout an angle while the incident ray remains constant?

Question 27 of 41

28. What happens if a beam of light meets an opaque object?

Question 28 of 41

29. The Greek name for a partial shadow (shade) is?

Question 29 of 41

30. Objects which do not allow light to pass through them at all are called?

Question 30 of 41

31. When light from a source falls on an opaque object i.e. a book, a shadow of the book is formed with sharp edges. What does this suggest?

Question 31 of 41

32. Which of the following statements describe the difference between Umbra and penumbra?

Question 32 of 41

33. What is the name of the property of light which ascertains that light travels in a straight line?

Question 33 of 41

34. In the morning during a sunrise, give the exact name of sunlight that breaks through the clouds or leaves?

Question 34 of 41

35. What is the name for a dark shade (shadow) in Greek?

Question 35 of 41

36. A Beam of light which appears to have rays that are perfectly parallel is called?

Question 36 of 41

37. Luminous (incandescent) sources are objects which produce its own light?

Question 37 of 41

38. Objects which allow light to pass through them are said to be?

Question 38 of 41

39. Which of the following is not a type of beam of light?

Question 39 of 41

40. Define Magnification

Question 40 of 41

41. The ray of light that bounces from the reflecting surface is called?

Question 41 of 41