1. Light Waves, Reflection, Mirrors, and Color

2. Light Waves are part of the ________ spectrum. A.Radio B.Microwave C.Electromagnetic D.Sound

3. The visible portion of the spectrum lies between which two frequency bands? A.UV and IR B.Radio and Microwave C.X-rays and Gamma Rays

4. All electromagnetic waves travel at the same speed in a vacuum. A.True B.False

5. Electromagnetic waves are modeled as ____________waves. A.longitudinal B.mechanical C.compression D.transverse

6. Electromagnetic waves require a medium to travel through. A.True B.False

7. The speed at which light waves travel in a vacuum is A.3.0 x10 8 m/s B.3.0 x 10 6 m/s C.343 m/s

8. If a light ray strikes a plane mirror making a 40˚ angle with the mirror, what is the angle of reflection? A.40 ˚ B.50˚ C.80˚ D.20˚

9. When measuring angle of incidence and angle of reflection for the Law of Reflection, all angles are measured from the ___. A.Plane of the mirror B.A line tangent to the surface of the mirror C.Normal line

10. Which kinds of mirrors can produce a virtual image? A.Plane mirrors B.Concave mirrors C.Convex mirrors D.All of these E.None of these

11. Which kinds of mirrors can produce a real image? A.Plane mirrors B.Concave mirrors C.Convex mirrors D.All of these E.None of these

12. Where will the image of a “distant object” form when using a spherical mirror? A.at the focal point B.halfway between the focal point and the mirror C.at the center of curvature D.beyond the center of curvature

13. How are the focal point and the center of curvature related for spherical mirrors? A.The focal point is twice the distance from the mirror as the center of curvature B.The focal point is at the center of curvature. C.The focal point is halfway between the center of curvature and the mirror

14. What kind of mirror is considered a diverging mirror? A.concave B.convex C.plane D.All of the above E.None of the above

15. When using the mirror equation to find the image distance, what does it mean when the image distance turns out to be negative? A.The image is inverted B.The image is upright C.The image is real D.The image is virtual

16. What does it mean when the magnification is positive? A.The image is inverted B.The image is upright C.The image is real D.The image is virtual

17. Which of the following correctly describes a real, inverted, magnified image? A.d i = +12 cm, h i = + 5 cm, M = + 0.5 B.d i = +12 cm, h i = - 5 cm, M = - 2 C.d i = -12 cm, h i = - 5 cm, M = + 2 D.d i = +12 cm, h i = + 5 cm, M = - 0.5

18. A(n)_____body is one that emits light and a(n)_____body is one that reflects light. A.luminous, illuminated B.illuminated, luminous

19. If the distance from the source of light is doubled, the light intensity A.doubles B.is half as much C.quadruples D.is ¼ as much E.is the same

20. True or False: Infrared waves have a higher frequency than X-rays. A.True B.False

21. Which kind(s) mirror can produce an image that is larger than the object? A.Plane mirrors B.Concave mirrors C.Convex mirrors D.All of these E.None of these

22. True or False: Ultraviolet waves have a higher energy than microwaves. A.True B.False

23. True or False: A convex mirror has a positive focal length. A.True B.False

24. The image formed by a convex mirror is…(List all that apply) A.Real B.Virtual C.Upright D.Inverted E.Larger F.Smaller

25. True or False: Red light has a longer wavelength than violet light. A.True B.False

26. The image formed by a concave mirror that has an object closer to the mirror than the focus is…(List all that apply) A.Real B.Virtual C.Upright D.Inverted E.Larger F.Smaller

27. The secondary colors of pigment are…(choose all that apply) A.red B.yellow C.blue D.green E.None of these

28. The primary colors of light are… (choose all that apply) A.red B.yellow C.blue D.green E.None of these

29. The complementary color of blue is A.White B.green C.red D.cyan E.magenta F.yellow

30. Shining blue light on yellow pigment will yield… A.Red B.Green C.Blue D.Magenta E.Cyan F.Yellow G.White H.Black

31. Shining red light on blue pigment with will yield… A.Red B.Green C.Blue D.Magenta E.Cyan F.Yellow G.White H.Black

32. Mixing green pigment with yellow pigment will yield… A.Red B.Green C.Blue D.Magenta E.Cyan F.Yellow G.White H.Black

33. Shining cyan light on cyan pigment will yield… A.Red B.Green C.Blue D.Magenta E.Cyan F.Yellow G.White H.Black

34. Shining magenta light on cyan pigment will yield… A.Red B.Green C.Blue D.Magenta E.Cyan F.Yellow G.White H.Black

35. Mixing magenta pigment with yellow pigment will yield… A.Red B.Green C.Blue D.Magenta E.Cyan F.Yellow G.White H.Black

36. Shining red light on cyan light will yield… A.Red B.Green C.Blue D.Magenta E.Cyan F.Yellow G.White H.Black

37. Mixing magenta pigment with green pigment will yield… A.Red B.Green C.Blue D.Magenta E.Cyan F.Yellow G.White H.Black