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Electromagnetic Spectrum & Behaviors of light

Total questions: 73

Worksheet time: 2hrs 36mins

Name
Class
Date
1.

Electromagnetic waves vary in

a)

the speed they travel in a vacuum.

b)

wavelength and frequency.

c)

the way they reflect.

d)

the orientation of their electric and magnetic fields.

2.

Light acts like

a)

a wave.

b)

a particle.

c)

Both a wave and a particle

d)

neither a wave nor a particle.

3.

Infrared rays have a shorter wavelength than

a)

Ultraviolet ray.

b)

X-rays.

c)

radar waves.

d)

gamma rays

4.

The full range of frequencies of electromagnetic radiation is called

a)

visible light.

b)

radio waves.

c)

the electromagnetic spectrum.

d)

invisible radiation.

5.

The waves with the longest wavelengths in the electromagnetic spectrum are

a)

Infrared rays.

b)

radio waves

c)

gamma rays

d)

X-rays

6.

The visible light spectrum ranges between

a)

radar waves and X-rays.

b)

television waves and infrared rays.

c)

infrared rays and ultraviolet rays.

d)

ultraviolet rays and gamma rays.

7.

X-ray photographs show softer tissue

a)

as invisible.

b)

as dark, highly exposed areas.

c)

the same as dense bones.

d)

as bright white areas.

8.

Which of the following occurs as a light wave bends when it passes from one medium into another?

a)

constructive interference

b)

refraction

c)

destructive interference

d)

reflection

9.

Newton’s prism experiments showed that white sunlight is made up of

a)

the full electromagnetic spectrum.

b)

only blue light.

c)

all the colors of the visible spectrum.

d)

only the longest wavelengths.

10.

Cellular telephones utilize

a)

radar waves.

b)

very high frequency waves.

c)

very low frequency waves.

d)

microwaves.

11.

What is the electromagnetic spectrum?

a)

The full range of wave frequencies of electromagnetic radiation is called the electromagnetic spectrum.

b)

The rainbow

12.

Which is an example of a radio wave

a)

television

b)

heat lamp

c)

vision

d)

sun light

13.

What do radio and television transmitters emit?

a)

Light

b)

Sound

c)

Heat

d)

Radio Waves

e)

Ultraviolet waves

14.

What waves do you use to heat food?

a)

Microwaves

b)

Gamma Waves

c)

Ultraviolet waves

d)

Radio Waves

15.

UV rays from the sun are -

a)

Gamma Waves

b)

Ultraviolet waves

c)

Heat Waves

d)

Light waves

e)

Sound waves

16.

A campfire emits -

a)

Ultraviolet waves

b)

Gamma waves

c)

Carbon Dioxide

d)

Light waves

e)

Infrared Waves

17.

Produced by nuclear reactions

a)

Radio Waves

b)

Nuclear Waves

c)

Gamma rays

18.

Used to treat cancer

a)

Microwaves

b)

X rays

c)

Radio Waves

d)

Gamma rays

e)

None of the above

19.

Which has the highest frequency?

a)

blue light

b)

green light

c)

yellow light

d)

red light

20.

When a wave changes direction without changing medium, which of the following is NOT happening?

a)

diffraction

b)

refraction

c)

reflection

21.

All electromagnetic waves have the same ______ in free space.

a)

frequency

b)

amplitude

c)

wavelength

d)

speed

22.

What range of frequencies of light are absorbed by glass?

(Select all that apply.)

a)

visible light

b)

ultraviolet light

c)

infrared light

23.

What range of frequencies of light are transmitted by glass?

(Select all that apply.)

a)

visible light

b)

ultraviolet light

c)

infrared light

24.

What is the best description of an opaque material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

25.

What is the best description of a transparent material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

26.

What is the best description of a translucent material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

27.

Which pictures shows a translucent image?

a)
b)
c)
28.

Which pictures shows a transparent image?

a)
b)
c)
29.

What type of object is shown in the picture?

a)

opaque

b)

transparent

c)

translucent

30.

What type of object is the glass in the glasses considered?

a)

opaque

b)

transparent

c)

translucent

31.

What type of object is a mirror considered?

a)

opaque

b)

transparent

c)

translucent

32.

A student does the experiment on tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. He can get a correct measure of the angle of incidence and the angle of emergence by following the labelling indicated in figure:

a)

I

b)

II

c)

III

d)

IV

33.
The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:
a)
mirror
b)
laser
c)
reflection
d)
refraction
34.
The angle produced as a source of light bounces off a reflecting surface is called ______.
a)
angle of crookedness
b)
angle of reflection
c)
angle of incidence
d)
angle of bounce
35.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
36.
What is reflection?
a)
Reflection is the bouncing  of light off the surface that it strikes on.
b)
Reflection is the absorbing of light off the surface that it strikes on.
c)
Reflection is the bending of light off the surface that it strikes on.
d)
Reflection is the scattering of light off the surface that it strikes on.
37.

Which diagram represents regular/specular reflection?

a)

A

b)

B

38.

When light waves bend as they pass through a transparent medium we call this:

a)

Refraction

b)

Reflection

c)

Absorption

39.

Light waves bending through a prism is an example of:

a)

Reflection

b)

Refraction

c)

Absorption

40.

Light waves bouncing off of this mirror is an example of:

a)

Reflection

b)

Refraction

c)

Absorption

41.

Light waves bouncing off of this lake is an example of:

a)

Reflection

b)

Refraction

c)

Absorption

42.

A fish bowl bending light waves and distorting an image of a cat's face is an example of:

a)

Reflection

b)

Refraction

c)

Absorption

43.

A transverse wave's oscillations move __________________ to it's energy transfer.

a)

Parallel

b)

Perpendicular

c)

Horizontal

d)

Vertical

44.
Light bending as it passes from one medium (object) to another is...
a)
Refraction
b)
Reflection
45.
Light bending as it passes through a rain drop is an example of...
a)
Refraction
b)
Reflection
46.
What causes light to appear refracted?
a)
temperature
b)
speed
c)
weather
d)
climate
47.
Light changes speed as it travels through various mediums.  What are examples of mediums that light can travel through.
a)
snow and ice
b)
air and water
c)
cloth and wood
d)
glass and wood
48.
What is the difference between reflection and refraction? 
a)
Both involve light bending through a medium
b)
Reflection is light bouncing off a medium's surface and refraction is light bending through a medium
c)
Reflection is light bending through a medium's surface and refraction is light bouncing off a medium
d)
Refraction is light being absorbed in a medium and reflection is light being bent through a different medium
49.

What is the angle of reflection equal to?

a)

The angle of refraction

b)

The angle of incidence

c)

The angle of absorption

d)

The angle of light

50.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
51.

Glass has a _____________ density than air.

a)
Equal
b)
Greater
c)

Smaller

d)
Impossible to say
52.

A light ray is incident from water to air. Which of the refracted rays is correct?

a)

A

b)

B

c)

C

d)

D

53.

A ray of light travels from air into a glass block.


Which diagram correctly shows the path of the ray through the glass block?

a)

A

b)

B

c)

C

d)

D

54.

The line 90 degress through the refracting or reflecting surface is called?

a)

Medium

b)

Normal

c)

Incidence

d)

Reflection

55.

The angle of reflection is

a)

90 degrees

b)

55 degrees

c)

45 degrees

d)

135 degrees

56.

A prism is a way to break ___________ light into its color components.

a)

white

b)

green

c)

purple

d)

black

57.

In a real rainbow, ________________ in the air act like very small prisms.

a)

dresses

b)

circles

c)

one

d)

raindrops

58.

When light shines on an object, it is reflected, absorbed, or transmitted through the object, depending on the object’s material and the frequency (color) of the light.

a)

true

b)

false

59.

What is the evidence that an object absorbs light?

a)

It turns black.

b)

It transmits the light.

c)

It reflects the image.

d)

It gets hotter.

60.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
61.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
62.

Which transverse wave has the highest frequency?

a)

1

b)

2

c)

3

d)

4

63.

The measurement of the length of a wave from one point of the wave to the next identical part of the wave (for example, top to top or bottom to bottom)

a)

Crest

b)

Amplitude

c)

Frequency

d)

Wavelength

64.

The number of waves that passes a certain point in a set period of time

a)

Frequency

b)

Amplitude

c)

Wavelength

d)

Amplength

65.
Which vocabulary term is used to identify the distance between points C & G?
a)
Amplitude
b)
Crest
c)
Frequency
d)
Wavelength
66.

Which vocabulary term is used to identify the distance between points C & the midline?

a)

Amplitude

b)

Crest

c)

Frequency

d)

Wavelength

67.
Top of the wave
a)
Wavelength
b)
Amplitude
c)
Trough
d)
Crest
68.
Bottom of the wave
a)
Crest
b)
Trough
c)
Frequency
d)
Wavelength
69.
The matter (solid, liquid, or gas) through which waves can travel
a)
Medium
b)
Object
c)
Transverse Wave
d)
Wavelength
70.

What are waves used for?

a)

Transferring Energy

b)

Storing Energy

c)

Moving Objects

d)

Removing Energy

71.

In a transverse wave, how do the particles move?

a)

They don't move

b)

Sideways

c)

Up and down

d)

In a square

72.

Which one shows the amplitude of a wave?

a)
b)
c)
73.

Which one shows the wavelength of a wave?

a)
b)
c)

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