Rectilinear Propagation of Light

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

Question 1 of 41

2. Define virtual images?

Question 2 of 41

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

Question 3 of 41

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

Question 4 of 41

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

Question 5 of 41

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

Question 6 of 41

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

Question 7 of 41

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

Question 8 of 41

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

Question 9 of 41

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

Question 10 of 41

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

Question 11 of 41

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

Question 12 of 41

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

Question 13 of 41

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

Question 14 of 41

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

Question 15 of 41

16. Define Magnification

Question 16 of 41

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

Question 17 of 41

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

Question 18 of 41

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

Question 19 of 41

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

Question 20 of 41

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

Question 21 of 41

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

Question 22 of 41

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

Question 23 of 41

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

Question 24 of 41

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

Question 25 of 41

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

Question 26 of 41

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

Question 27 of 41

28. The path along which light energy travels is?

Question 28 of 41

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

Question 29 of 41

30. A collection of rays of light is?

Question 30 of 41

31. 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 31 of 41

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

Question 32 of 41

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

Question 33 of 41

34. Reflection is the bouncing off of light?

Question 34 of 41

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

Question 35 of 41

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

Question 36 of 41

37. Mention the two types of reflection?

Question 37 of 41

38. 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 38 of 41

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

Question 39 of 41

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

Question 40 of 41

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

Question 41 of 41