Electromagnetic spectrum reviewsheet Name: 1.

2.

3.

Date:

The diagram here shows a pinhole camera. How will the image of the letter “T” on the screen of the pinhole camera appear to the observer?

A.

B.

C.

D.

4.

5.

In the diagram shown, at which point did the refracted ray OX originate? A.

A

B.

C.

C

D. D

B

The diagram shows a ray of light being refracted as it passes from air into glass. Which letter represents the angle of refraction for the light ray? A.

A

B.

C.

C

D. D

B

In the diagram here a light ray passes obliquely from air into a glass block. Which path represents the refracted ray of light? A.

A

B.

C.

C

D. D

B 6.

As the frequency of radio waves is decreased from vhf to standard frequency, the degree of refraction of the waves by the ionosphere A.

decreases

C.

remains the same

B.

A ray of light emerges from a glass block into air as shown in the diagram. Which path would the light ray take? A.

A

B.

C.

C

D. D

B

increases 7.

If two identical sound waves arriving at the same point are in phase, compared to the original waves, the resulting wave will have A.

an increase in speed

B.

an increase in frequency

C.

a larger amplitude

D. a longer period page 1

8.

9.

In which of the following materials is the speed of light the greatest? A.

quartz

B.

C.

glycerol

D. benzene

11.

alcohol

Light travels from medium A where its speed is 2:5 108 meters per second into medium B where its speed is 2:0 108 meters per second. Compared to the absolute index of refraction of medium A, the absolute index of refraction of medium B is A.

Which diagram best illustrates wave refraction?

12.

A.

less

B.

greater

C.

the same

The diagram shown represents a ray of monochromatic light (f = 5:08 1014 Hz) passing from air to benzene, through material X, and back into air.

B.

C.

Which line represents the path of the light ray after it reenters the air at point A ?

D.

A.

10.

13.

In the diagram, light ray AO is incident on a Lucite-air surface at point O. Through which point will the re ected ray pass? A.

1

B.

2

C.

3

D. 4

page 2

1

B.

2

C.

3

D. 4

In the diagram shown, light ray AO is incident on a Lucite-air surface at point O. Through which point will the re ected ray pass? A.

1

B.

2

C.

3

D. 4

Electromagnetic spectrum reviewsheet

14.

The diagram shown represents light shining through a pair of slits 3:0 10 3 meter apart and onto a screen. What color of light produces a rst order bright band that is 2:0 10 4 meter from the center of the interference pattern?

17.

Which wave phenomenon is represented in the diagram here? A.

refraction

B.

di raction

C.

re ection

D. interference

15.

16.

A.

green

B.

C.

red

D. violet

18.

orange

When the beams from two coherent light sources are projected on a screen, alternating bright and dark areas are produced. This phenomenon illustrates light A.

polarization

B.

C.

dispersion

D. refraction

The diagram shown represents straight wave fronts approaching an opening in a barrier. Which diagram best represents the shape of the waves after passing through the opening?

A.

interference

B.

In the diagram shown, a monochromatic light ray is passing from medium A into medium B. The angle of incidence is varied by moving the light source S. When angle becomes the critical angle, the angle of refraction will be

C.

D.

A.

0

B. C.

greater than , but less than 90

D. 90

page 3

Electromagnetic spectrum reviewsheet

22.

19.

Base your answers on the diagram of a light ray ( = 5:9 10 7 m) in air incident on a rectangular block of Lucite.

23.

a) Determine the angle of refraction, in degrees, of the light ray as it enters the Lucite from air. [Show all calculations.]

The diagram shows a ray of light, R, entering glass from air. Which path is the ray most likely to follow in the glass? A.

A

B.

C.

C

D. D

B

As shown in the diagram, a beam of light can pass through the length of a curved glass ber. This phenomenon is possible due to the e ect of

b) On the diagram, using a protractor and straight edge, draw the path of the light ray as it travels from air, through the Lucite, and back into the air. Label all angles of incidence and refraction with their appropriate numeric values. 20.

21.

In the diagram, a ray of light enters a transparent medium from air. If angle X is 45 and angle Y is 30 , what is the absolute index of refraction of the medium? A.

0.667

B.

C.

1.41

D. 1.50

24.

0.707

A.

dispersion

B.

internal re ection

C.

polarization

D. di raction

In the diagram, two speakers are connected to a sound generator. The speakers produce a sound pattern of constant frequency such that a listener will hear the sound very well at A and C, but not as well at point B. Which wave phenomenon is illustrated by this experiment?

Monochromatic light passes through two parallel narrow slits and forms an interference pattern on a screen. As the distance between the two slits is increased, the distance between light bands in the pattern on the screen will A.

decrease

C.

remain the same

B.

increase

page 4

A.

interference

B.

polarization

C.

re ection

D. refraction

Electromagnetic spectrum reviewsheet

25.

A car radio is tuned to the frequency being emitted from two transmitting towers. As the car moves at constant speed past the towers, as shown in the diagram, the sound from the radio repeatedly fades in and out. This phenomenon can best be explained by

28.

In the diagram, a ray of monochromatic light ( = 5:9 10 7 meter) reaches the boundary between medium X and air and follows the path shown. Which medium is most likely medium X ? A. B. C.

diamond int glass Lucite

D. water

29.

26.

A.

refraction

B.

interference

C.

re ection

D. resonance

water

B.

diamond

C.

glycerol

A.

the angle of incidence is 0

B.

there is no change in the speed of the wave

C.

the media have di erent indices of refraction

D. all of the light is re ected

The diagram represents a light ray passing from corn oil into medium X with no change in velocity. In this diagram, medium X could be A.

A beam of light crosses a boundary between two di erent media. Refraction can occur if

D. alcohol 27.

The diagram shows a ray of light passing from medium X into air. What is the absolute index of refraction of medium X ? A.

0.50

B.

2.0

C.

1.7

D. 0.58

page 5

Electromagnetic spectrum reviewsheet

30.

Base your answers on the diagram given, which shows light ray AO in Lucite. The light ray strikes the boundary between Lucite and air at point O with an angle of incidence of 30 . The dotted line represents the normal to the boundary at point O.

33.

The diagram represents wave fronts traveling from medium X into medium Y. All points on any one wave front shown must be

A.

traveling with the same speed

B.

traveling in the same medium

C.

in phase

D. superposed 34.

A ray of monochromatic light = 5:9 10 7 meter traveling in air is incident on an interface with a liquid at an angle of 45 , as shown in the diagram. If the absolute index of refraction of the liquid is 1.4, the angle of refraction for the light ray is closest to

Calculate the angle of refraction for incident ray AO. [Show all calculations, including the equation and substitutions with units.] 31.

Using your answer from the previous question, construct an arrow with a protractor and straightedge, to represent the refracted ray.

32.

Calculate the critical angle for a Lucite-air boundary. [Show all calculations, including the equation and substitutions with units.]

page 6

A.

10

B.

20

C.

30

D. 40

Electromagnetic spectrum reviewsheet

35.

A ray of monochromatic light traveling in air enters a rectangular glass block obliquely and strikes a plane mirror at the bottom. Then the ray travels back through the glass and strikes the air-glass interface. Which diagram best represents the path of this light ray? [N represents the normal to the surface.]

36.

A ray of monochromatic light is traveling in int glass. The ray strikes the int glass-air interface at an angle of incidence greater than the critical angle for the int glass. Which diagram best represents the path of this light ray? A.

B.

C.

D.

A.

B.

37. C.

D.

The accompanying diagram shows how an observer located at point P on Earth can see the Sun when it is below the observer's horizon.

This observation is possible because of the ability of Earth's atmosphere to

page 7

A.

re ect light

B.

di ract light

C.

refract light

D. polarize light

Electromagnetic spectrum reviewsheet

38.

Which diagram best represents the path of light rays passing through a glass prism? A.

40.

Determine the absolute index of refraction for the plastic. [Show all calculations, including the equation and substitution with units.]

41.

Base your answer(s) to the following question(s) on the diagram below which represents a beam of monochromatic light ( = 5:9 10 7 meter) traveling from Lucite into air.

B.

C.

D.

39.

Base your answer(s) to the following question(s) on the diagram below, which shows a light ray in water incident at an angle of 60. on a boundary with plastic.

What is the measure of the angle of refraction? [Use a protractor or a mathematical calculation.] A.

19

B.

30.

C.

49

D. 60.

Using a protractor, measure the angle of refraction to the nearest degree. page 8

Electromagnetic spectrum reviewsheet

42.

The diagram below shows a ray of light ( = 5:9 10 7 meter) traveling from air into medium X.

44. Base your answer(s) to the following question(s) on the information and diagram below. A monochromatic beam of yellow light, AB, is incident upon a Lucite block in air at an angle of 33 .

If the angle of incidence is 30. and the angle of refraction is 19 , medium X could be

43.

A.

air

B.

alcohol

C.

Canada balsam

D. glycerol

The accompanying diagram shows a ray of light passing from medium X into air.

Calculate the angle of refraction for incident beam AB. [Show all work, including the equation and substitution with units.] 45.

Using a straightedge, a protractor, and your answer from the previous question, draw an arrow to represent the path of the refracted beam.

What is the absolute index of refraction of medium X? A.

0.500

B.

2.00

C.

1.73

D. 0.577

page 9

Electromagnetic spectrum reviewsheet

46.

Base your answer(s) to the following question(s) on the diagram below which shows a ray of monochromatic light (f = 5:09 1014 hertz) passing through a int glass prism.

48.

Base your answer(s) to the following question(s) on the information and diagram. A ray of light passes from air into a block of transparent material X as shown in the diagram.

Calculate the angle of refraction (in degrees) of the light ray as it enters the air from the int glass prism. [Show all calculations, including the equation and substitution with units.] 47.

Using a protractor and a straightedge, construct the refracted light ray in the air on the diagram below. Measure the angles of incidence and refraction to the nearest degree for this light ray at the air into material X boundary.

page 10

49.

Calculate the absolute index of refraction of material X. [Show all work, including the equation and substitution with units.]

50.

The refracted light ray is re ected from the material X–air boundary at point P. Using a protractor and straightedge, on the diagram above, draw the re ected ray from point P.

Electromagnetic spectrum reviewsheet

51.

52.

Which ray diagram best represents the phenomenon of refraction? A.

B.

C.

D.

53.

Base your answer(s) to the following question(s) on the information and diagram below. A light ray with a frequency of 5:09 1014 hertz traveling in air is incident at an angle of 40 on an air-water interface as shown. At the interface, part of the ray is refracted as it enters the water and part of the ray is re ected from the interface.

A ray of monochromatic light (f = 5:09 1014 hertz) in air is incident at an angle of 30. on a boundary with corn oil. What is the angle of refraction, to the nearest degree, for this light ray in the corn oil? A.

6

B.

20.

C.

30.

D. 47 On the diagram below, using a protractor and straightedge, draw the refracted ray. Label this ray “Refracted ray.”

page 11

Electromagnetic spectrum reviewsheet

54.

Base your answer(s) to the following question(s) on the diagram below, which represents a ray of monochromatic light (f = 5:09 1014 hertz) in air incident on int glass.

56.

Base your answer(s) to the following question(s) on the diagram below, which shows a light ray (f = 5:09 1014 Hz) in air, incident on a boundary with fused quartz. At the boundary, part of the light is refracted and part of the light is re ected.

Calculate the angle of refraction of the light ray in the int glass. [Show all work, including the equation and substitution with units.] 55.

Base your answer(s) to the following question(s) on the information and diagram below. A ray of monochromatic light of frequency 5:09 1014 hertz is traveling from water into medium X. The angle of incidence in water is 45 and the angle of refraction in medium X is 29 , as shown.

Using a protractor and straightedge, construct the re ected light ray on the diagram above.

Calculate the absolute index of refraction of medium X. [Show all work, including the equation and substitution with units.]

page 12

Electromagnetic spectrum reviewsheet

57.

Base your answer(s) to the following question(s) on the information and diagram below

59.

A ray of monochromatic light having a frequency of 5:09 1014 hertz is incident on an interface of air and corn oil at an angle of 35 as shown. The ray is transmitted through parallel layers of corn oil and glycerol and is then re ected from the surface of a plane mirror, located below and parallel to the glycerol layer. The ray then emerges from the corn oil back into the air at point P.

A ray of light (f = 5:09 1014 Hz) traveling in air is incident at an angle of 40. on an air-crown glass interface as shown below.

What is the angle of refraction for this light ray? A. 60. Calculate the angle of refraction of the light ray as it enters the corn oil from air. [Show all work, including the equation and the substitution with units.] 58.

25

B.

37

C.

40

D. 78

A ray of monochromatic yellow light (f = 5:09 1014 Hz) passes from water through int glass and into medium X, as shown below

On the diagram above, use a protractor and straightedge to construct the refracted ray representing the light emerging at point P into air.

The absolute index of refraction of medium X is A.

less than 1.33

B.

greater than 1.33 and less than 1.52

C.

greater than 1.52 and less than 1.66

D. equal to 1.66

page 13

Electromagnetic spectrum reviewsheet

Problem-Attic format version 4.4.178 c 2011–2013 EducAide Software _ Licensed for use by Simone Shaker Terms of Use at www.problem-attic.com Electromagnetic spectrum reviewsheet 1. Answer:

A

2. Answer:

C

3. Answer:

B

4. Answer:

20. Answer:

C

C

5. Answer:

21. Answer:

A

D

6. Answer:

22. Answer:

C

A

7. Answer:

23. Answer:

B

C

8. Answer:

24. Answer:

A

B

25. Answer:

B

9. Answer:

D

26. Answer:

C

10. Answer:

D

27. Answer:

B

11. Answer:

B

28. Answer:

D

12. Answer:

A

29. Answer:

C

13. Answer:

D

14. Answer:

B

15. Answer:

B

16. Answer:

D

17. Answer:

B

18. Answer:

D

19. Answer:

05/25/2013

30. Answer:

n1 sin = n2 sin 2 , 1:00(sin 53 ) = 1:50(sin 2 ), 1:00(0:7986) = 1:50(sin 2 ), 0:5324 = sin 2 , 32 = 2 ;[see answer sheet]

n1 sin 1 = n2 sin 2 = 1:50 sin 30 = 1:00 sin 2 ; = 48:6

31. 32. Answer:

sin

33. Answer:

C

34. Answer:

C

35. Answer:

A

36. Answer:

A

37. Answer:

C

c

=

1 m;

sin

c

=

1 1:5

= 42

Teacher's Key 38. Answer:

A

39. Answer:

40

40. Answer:

1.8

41. Answer:

C

42. Answer:

C

43. Answer:

C

44. Answer:

21

48. Answer: 49. Answer:

50. Answer:

angle of incidence 45 ( 2 )

angle of refraction 26 ( 2 ). n1 sin

= n2 sin 2 (1:00)(sin 45 ) n2 = sin 26 n2 = 1:61

47. Answer:

68

1

Allow 1 credit if the re ected ray is drawn through material X at an angle of re ection of 64 ( 2 )

45. Answer:

46. Answer:

Page 2

51. Answer:

C

52. Answer:

B

Teacher's Key 53. Answer:

56. Answer:

54. Answer:

Example of a 2-credit response:

55. Answer:

Example of a 2-credit response:

re ected ray at an angle of 17 2 , or an answer that is consistent with the student's response to question 68.

57. Answer:

58. Answer:

Page 3

35

2 to the normal.

Teacher's Key 59. Answer:

A

60. Answer:

D

Page 4