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PS.9 - Light Waves

Total questions: 74

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
The light we can see. 
a)
visible
b)
gamma
c)
ultraviolet
2.
Makes you get sunburn. 
a)
x-ray
b)
visible
c)
ultraviolet
3.
The highest point on a wave
a)
trough
b)
amplitude
c)
crest
d)
wavelength
4.
What is reflection in simple terms?
a)
Soaks up light
b)
Passes through
c)
light bounces off
5.
What is a vacuum? 
a)
A space with only air in it
b)
A space with NO matter at all present
c)
A machine you use to do your chores
6.
The lowest part of the wave is?
a)
crest
b)
trough
c)
rarefaction
d)
wavelength
7.

Wave height

a)

frequency

b)

wavelength

c)

amplitude

d)

wave speed

8.

The distance between 2 crests or troughs

a)

wavelength

b)

amplitude

c)

frequency

d)

wave speed

9.

The number of waves that pass in a given amount of time.

a)

wavelength

b)

wave speed

c)

amplitude

d)

frequency

10.

When waves overlap or interact

a)

Interference

b)

Resonance

c)

Reflection

d)

Diffraction

11.
Which of the following is true about waves?
a)
When wavelength increases frequency increases
b)
When wavelength decreases, frequency increases
c)
When wavelength decreases, frequency decreases
12.
When light strikes an object, it can do all of the following, except...
a)
Be reflected
b)
Be refracted
c)
Be produced
d)
Be absorbed 
13.
Which type of electromagnetic radiation produces the heat we can feel coming from the toaster?
a)
Radio waves
b)
Infrared waves
c)
X-rays
d)
Gamma rays
14.
Which type of electromagnetic radiation is the reason we need sunglasses and sunscreen to avoid getting a sunburn?
a)
X-rays
b)
Gamma Rays
c)
Ultraviolet waves
d)
Infrared waves
15.
Which of the following is NOT true?
a)
Radio waves have lowest frequency
b)
Ultraviolet waves have highest energy
c)
Gamma waves have highest frequency
d)
Radio waves have longest wavelengths
16.
What property of light makes this pencil appear to be bent or broken?
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Absorption
17.

The visible part of the electromagnetic spectrum consists of the colors that we see in a rainbow. Different colors correspond to different wavelengths of light. Which color of visible light has the shortest wavelength?

a)

Red

b)

orange

c)

blue

d)

violet

18.

The visible part of the electromagnetic spectrum consists of the colors we see in a rainbow. Which color of visible light has the longest wavelength?

a)

blue

b)

green

c)

red

d)

violet

19.

Shortest Wavelength and a Highest Frequency on the Electromagnetic System?

a)

X-rays

b)

Infrared

c)

Visible Lights

d)

Gamma Rays

20.

What electromagnetic wave do humans emit as heat energy?

a)

infrared light

b)

ultraviolet light

c)

visible light

d)

microwaves

21.

This type of electromagnetic wave can be used to see inside luggage at an airport or in hospitals to see your bones.

a)

Gamma Rays

b)

Visible Light

c)

X Rays

d)

Infrared Rays

22.

very smallpart of the electromagnetic spectrum

a)

X-rays

b)

Visible Light

c)

Gamma Rays

d)

Ultraviolet Rays

23.

Match this device to the part of the electromagnetic spectrum that it primarily uses.

a)

radio waves

b)

microwaves

c)

infrared

d)

visible light

e)

ultraviolet radiation

24.

Which of these waves has the highest frequency?

a)

1

b)

2

c)

3

25.

This picture demonstrates which wave property?

a)

diffraction

b)

frequency

c)

amplitude

d)

Refraction

26.

Which transverse wave has the highest frequency?

a)

1

b)

2

c)

3

d)

4

27.
What kind of wave is pictured below?
a)
compressional wave
b)
transverse wave
c)
sound wave
d)
mechanical wave
28.
Which vocabulary term is used to identify the distance between points C & G?
a)
Amplitude
b)
Crest
c)
Frequency
d)
Wavelength
29.

Which one shows the amplitude of a wave?

a)
b)
c)
30.

Which one shows the wavelength of a wave?

a)
b)
c)
31.

What color is an object that absorbs all the colors in the light spectrum?

a)

A rainbow

b)

White

c)

Black

d)

Invisible

32.

A leaf is green. What does this tell you about the light that is being absorbed?

a)

The light is a UV ray.

b)

The light is not a part of the light spectrum.

c)

All colors are reflected except green.

d)

All colors are absorbed except green

33.

What happens when light hits a shiny or smooth surface?

a)

It disappears.

b)

It is refracted.

c)

It is absorbed.

d)

It is reflected.

34.

What is it called when light bends as it moves from one substance to another?

a)

Absorption

b)

Reflection

c)

Refraction

d)

Incidence

35.

When you look into a mirror, what is happening to the light?

a)

It is increasing in wavelengths.

b)

It is being refracted.

c)

It is being absorbed.

d)

It is being reflected.

36.

When light goes from one material(medium) to another it becomes bent, what term means bent?

a)

reflected

b)

refracted

c)

absorbed

d)

turned

37.

Why does the straw appear to be bent?

a)

light is reflected

b)

light is absorbed

c)

light is turned

d)

light is refracted

38.
What is the correct order of the colors of the rainbow?
a)
Red, orange, yellow, green, blue, indigo, violet
b)
red, orange, yellow, blue, green, indigo, violet
c)
orange, yellow, red, blue, purple, indigo
d)
red, orange, yellow, green, indigo
39.
Is a convex lens thicker or thinner in the middle?
a)
Thicker 
b)
Thinner 
40.

This ray diagram is for which mirror?

a)

concave

b)

convex

c)

plane

d)

window

41.

this type of mirror is used in supermarkets to see around bends because it makes things smaller and gives a wider range of view

a)

concave

b)

convex

c)

plane

d)

window

42.

The above lens is a type of ___.

a)

diverging lens

b)

converging lens

c)

divergent lens

d)

convergent lens

43.

Which lens represents the path light takes through a diverging lens?

a)
b)
c)
d)
44.

Which figure represents the path light takes through a converging lens?

a)
b)
c)
d)
45.

A flat mirror is an example of a ___.

a)

plane mirror

b)

concave mirror

c)

convex mirror

d)

spherical mirror

46.

What word means to bend light rays toward each other?

a)

Converging light

b)

Diverging light

c)

Virtual Light

d)

Real Light

47.

What word means to bend light rays away from each other?

a)

Converging light

b)

Diverging light

c)

Virtual Light

d)

Real Light

48.

What is a usage of Gamma ray ?

a)

kills cancer cells

b)

to heat up food

c)

to make stars

d)

to produce photosynthesis

49.

True or False. Gamma Rays can treat cancer

a)

False

b)

True

50.

The hotter an object the more infrared radiation is given off (T/F).

a)

True

b)

False

51.

Which of the following are not one of the uses of infrared waves?

a)

Thermal imaging

b)

Curing cancer

c)

Remote control

d)

Electrical heater

52.

Where is infrared waves located on the spectrum?

a)

Between X-ray and gamma ray

b)

Between radio waves and microwave

c)

Between microwave and visible light

53.

What does the picture below illustrate?

a)

Visible Light Spectrum

b)

Electromagnetic Spectrum

c)

Frequency Indicator

d)

Color Line

54.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
55.

The interaction between two waves that meet is called...

a)

refraction

b)

rarefaction

c)

interference

d)

diffraction

56.

When two waves meet and overlap, this is called

a)

convex

b)

concave

c)

diffraction

d)

interference

57.

Interference is ...

a)

when two waves meet and interact

b)

when light waves come together

c)

when light waves move apart

d)

when light interacts with a obstacle

58.
How much of the electromagnetic spectrum is made up of visible light?
a)
only a small portion
b)
a very l;arge portion
c)
about half
59.
Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
60.

Waves that travel at the same speed as light, but have different wavelengths and frequencies make up the...

a)

Polarized Light

b)

Electromagnetic Spectrum

c)

Magnetic Fields

d)

Atmosphere

61.

A flat mirror is an example of a..

a)

convex mirror

b)

concave mirror

c)

plane mirror

d)

spherical mirror

62.

Microwave radiation is used for...

a)

treat cancer

b)

our eyes use it to see

c)

cook food

d)

search for lost people

63.

Ultraviolet radiation can cause

a)

loss of hearing

b)

sunburn/cancer

c)

infection

d)

hair loss

64.
What does the word "converging" mean?
a)
to separate
b)
to come together
c)
parallel 
d)
perpendicular
65.
What does the word "diverging" mean?
a)
to spread apart
b)
to come together
c)
parallel
d)
perpendicular
66.
Is a concave lens thicker or thinner in the middle? 
a)
Thicker 
b)
Thinner 
67.
Is a convex lens thicker or thinner in the middle?
a)
Thicker 
b)
Thinner 
68.

Why are convex mirrors used in the corner of stores

a)

they produce a smaller upright image, so you have a wider range of view

b)

The produce an enlarged image so you can clearly see someone

c)

Plane (flat) mirrors are expensive

d)

They aren't, concave mirrors are

69.

The inside of a spoon is concave mirror. The type of image it produces is a

a)

upright smaller image

b)

inverted (upside down) smaller image

70.

This image is produce by a... (inside of a spoon)

a)

concave mirror

b)

convex mirror

c)

plane mirror

d)

spherical mirror

71.
The following is a picture of what type of mirror? 
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
72.
The following is a picture of what type of mirror? 
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
73.

If a smaller, upright image is produce, then a ______________ mirror is used.

a)

Concave

b)

Convex

c)

Plane

d)

Spherical

74.

When a wave interacts with an obstacle and a new wave is produced, this is....

a)

Diffraction

b)

Refraction

c)

Rarefaction

d)

Destruction