Reflection Quiz 3 (60 MCQs)

Quiz Instructions

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1. What does reflection mean?
2. Image formed by reflection from a plane mirror is
3. When distance of object from a mirror is gradually increased then image formed by it becomes inverted which was erect in the beginning. Which type of mirror is this?
4. Straight lines that represent light waves
5. Why are you able to see objects
6. ..... the angle between the normal and the incident ray.
7. A virtual image formed by a mirror of an object which is less than the size of an object . Name the mirror .....
8. When you translate, you ..... a number to x and y.
9. Refraction is the bending of a wave disturbance as it passes from one ..... into another.
10. The action and reaction forces referred to in the third law
11. Reflect (6, -3) over the line x-axis.
12. Which point shows a reflection of point Y(-5, -7) over the y-axis?
13. Which of the following is not a property of the image formed by a plane mirror?
14. When light is incident on a polished surface ..... reflection takes place
15. Translation is a transformation that moves every point in a figure the same distance in the same direction.
16. Magnification produced by a convex mirror is always:
17. The laws of reflection hold good for
18. When light goes from one material(medium) to another it becomes bent, what term means bent?
19. What would the image of point A(-2, -9) translate under T(6, 4). Give the coordinates of the point.
20. Which law explains the phenomenon of reflection?
21. Which rule would give the translation from point P (2, 5) to the image P' (-1, 7)?
22. What is the image of T(4, -1) after a reflection over the line y =-x
23. A ray of light is travelling from a rarer medium to a denser medium. While entering the denser medium at the point of incidence, it
24. Image above the principal axis (PA) is
25. Pentagon ABCDE is reflected across the x-axis to form Pentagon A'B'C'D'E'. Which rule describes this transformation?
26. The ..... axis is the horizontal axis of the coordinate plane.
27. The point (9, 0) reflected in the origin, the image is
28. A dentist uses a small dental mirror to help magnify teeth in your mouth. What type of mirror is this?
29. What type of image is formed when rays of light actually intersect?
30. Which of the following terms causes a figure to flip over an axis?
31. This type of mirror is used in supermarkets to see around bends
32. Which source of light is natural?
33. What would the graph of the equation x =-4 look like?
34. Shadows are longest during .....
35. If the angle between the reflected ray and the surface is 50 degree, then what is the angle of incidence?
36. What is the key characteristic of a servant leader?
37. When you reflect a point over the y-axis, the ..... changes.
38. Refractive index of four medium A, B, C and D are 1.44, 1.50, 1.65 and 1.36 respectively. The velocity of light is minimum in
39. Light travels in ..... lines
40. Pointillism was invented by Georges ..... and Paul .....
41. ..... is a mid point of the pole and the centre of the curvature .
42. What does the word "converging" mean?
43. A plane mirror is approaching you at a speed of 10 cm/sec .You can see your image in it. At what speed will your image approach you
44. Light behaves like both a particle and a .....
45. Reflection means to .....
46. A lighted candle is placed very near to a spherical mirror, its virtual and enlarged image is formed, the mirror is
47. What is the pH range of our body?
48. When you reflect a shape, you ..... over an axis or line.
49. Objects that light can easily pass through are said to be:
50. Why is red light is at the top while violet at the bottom of the spectrum?
51. Out of these, which one is not a man-made luminous body?
52. Identify the rule after a 180$^\circ$ CLOCKWISE or COUNTER CLOCKWISE(x, y) $\rightarrow$ .....
53. A ..... mirror is used as a head mirror by the doctors to concentrate light on the body parts to be examined.
54. Which of the following mirror is used by a dentist to examine a small cavity?
55. True or False:A reflection preserves the size and shape of a figure.
56. When translating UP or DOWN you are moving on the ..... axis.
57. A positive magnification greater than unity indicates
58. A transformation is done without changing the ..... or the shape.
59. Absolute refractive index of any medium is always .....
60. Which of these best demonstrates the reflection of light? (5.6C)