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Electromagnetic Waves and Light

Total questions: 40

Worksheet time: 31mins

Name
Class
Date
1.
As the frequency of an electromagnetic wave increases, the amount of energy in that wave...
a)
increases.
b)
decreases.
c)
stays the same.
2.
Which color has the highest frequency?
a)
red
b)
orange
c)
green
d)
blue
3.
Which of the following has the longest wavelength?
a)
microwaves
b)
visible light
c)
x-rays
d)
infrared waves
4.

To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its

a)

wavelength

b)

refraction

c)

intensity

d)

amplitude

5.

Infrared rays have a shorter wavelength than

a)

Ultraviolet ray

b)

X-rays

c)

gamma rays

d)

radio waves

6.

The full range of frequencies of electromagnetic radiation is called

a)

visible light

b)

the electromagnetic spectrum

c)

radio waves

d)

invisible radiation

7.

The visible light spectrum ranges between

a)

radio waves and X-rays

b)

infrared rays and ultraviolet rays

c)

television waves and infrared rays

d)

ultraviolet rays and gamma rays

8.

Select the correct order of waves on the EMS from low to high energy

a)

Radio wave, Microwave, Infrared, Visible, Ultraviolet, X-ray, Gamma

b)

Visible, Microwave, Infrared, Ultraviolet, X-ray, Gamma, Radio wave

c)

Gamma, X-ray, Ultraviolet, Visible, Infrared, Microwave, Radio wave

d)

Microwave, Radio wave, Visible, Infrared, Ultraviolet, X-ray, Gamma

9.

Which electromagnetic wave can you see?

a)

Gamma ray

b)

Microwave ray

c)

Visible light

d)

X-ray

10.

Which one of these images is an X - Ray?

a)
b)
c)
d)
11.

This type of EM radiation is used to send mobile phone signals & in GPS?

a)

infrared

b)

visible light

c)

ultraviolet

d)

microwaves

12.

What type of EM radiation is used in military night vision goggles?

a)

radio wave

b)

microwave

c)

infrared

d)

light

13.

What type of EM radiation plays an important role in wireless communication?

a)

ultraviolet

b)

visible light

c)

infrared

d)

microwave

14.

What type of EM radiation is utilized in treating cancer, using its high energy to destroy the cells in a tumour?

a)

gamma ray

b)

x-ray

c)

visible light

d)

microwave

15.

What does the picture below illustrate?

a)

Visible Light Spectrum

b)

Electromagnetic Spectrum

c)

Frequency Indicator

d)

Color Line

16.
This image is representing what wave interaction?
a)
Refraction
b)
Diffraction
c)
Reflection
d)
Interference
17.

What would you call this?

a)

Reflection

b)

Diffraction

c)

Refraction

d)

Friction

18.

Reflection occurs when a wave

a)

bends due to a change in speed

b)

hits a surface and bounces back

c)

passes through an opening

d)

bends around a barrier

19.

Light waves and sound waves are similar in that...

a)

They are both longitudinal waves

b)

They are both transverse waves

c)

They both transmit energy

d)

They both can travel through space.

20.

A wave has a velocity of 45 m/s and a frequency of 20 Hz. What is the wave's wavelength? (Hint v = f * ƛ)

a)

2.25 m

b)

0.44 m

c)

2.25 m/s

d)

2.25 Hz

21.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
22.
Which describes a convex lens?
a)
triangular in shape
b)
more transparent in the middle
c)
thicker on the edges than in the middle
d)
thicker in the middle than on the edges
23.

When light waves move from passing through air to passing through a glass lens when happens to them?

a)

They slow down and change direction

b)

They speed up and change direction

c)

They maintain the same speed and change direction

d)

They maintain their same speed and direction

24.
What does the word "converging" mean?
a)
to separate
b)
to come together
c)
parallel 
d)
perpendicular
25.
When an object is placed on the focal point in front of a convex lens, the image produced is ___.
a)
real, reduced, and inverted
b)
real, enlarged, and inverted
c)
real, true, and inverted
d)
There is no image
26.
When an object is placed between the focal point and the convex lens, the image produced is ___.
a)
real, reduced, and inverted
b)
real, enlarged, and inverted
c)
virtual, enlarged, and upright
d)
virtual, reduced, and upright
27.
This image is.....
a)
inverted and smaller
b)
inverted and larger
c)
not inverted and smaller
d)
not inverted and larger
28.
This image is...
a)
Inverted and smaller
b)
inverted and bigger
c)
not inverted and smaller
d)
not inverted and bigger
29.
a real image...
a)
is produced by virtual rays and can be projected on a screen
b)
is produced by real rays and cannot be projected on a screen
c)
is produced by virtual images and cannot be projected on a screen
d)
is produced by real rays and can be projected on a screen
30.

Which ray diagram shows a real image?

a)
b)
c)
d)

None of the above

31.

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

a)
b)
c)
d)
32.

A physics student places an object 6.0 cm from a converging lens of focal length 9.0 cm. What is the magnitude of the magnification of the image produced?

a)

0.6

b)

2.0

c)

3.6

d)

3.0

e)

1.5

33.

The above lens is a type of ___.

a)

diverging lens

b)

converging lens

c)

divergent lens

d)

convergent lens

34.

What type of lens is used in the shown instrument?

a)

concave lens

b)

convex lens

c)

reflection lens

d)

reduction lens

35.
Is a convex lens thicker or thinner in the middle?
a)
Thicker 
b)
Thinner 
36.

White light appears white or transparent, but it is actually

made up of several different colors.

a)

True

b)

False

37.

What is "F" stand for?

a)

Focal point

b)

Crest point

c)

Wavelength point

38.

What is "f" stand for?

a)

Focal point

b)

Focal length

c)

Wavelength

39.

What lens is in the picture?

a)

Divergent lens

b)

Prism

c)

Convergent lens

40.

What lens is in the picture?

a)

Divergent lens

b)

Prism

c)

Convergent lens

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