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Electromagnetic Waves and Spectrum

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

For waves in any medium, as the wavelength decreases, what happens to the frequency?

a)

It also decrease

b)

It stays the same

c)

It increases

d)

It is constant

2.

Which of the following has wavelengths longer than microwaves?

a)

Infrared waves

b)

Radio waves

c)

Visible light

d)

ultraviolet

3.

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

a)

microwaves

b)

visible light

c)

gamma rays

d)

ultraviolet rays

4.

Which of the following has frequencies higher than ultraviolet rays?

a)

visible light

b)

infrared rays

c)

x-rays

d)

microwaves

5.

Which of the following lists the electromagnetic waves in order of increasing wavelength?

a)

X-rays, visible light, radio waves

b)

gamma rays, microwaves, UV rays

c)

infrared rays, radio waves, x-rays

d)

X-rays, radio waves, microwaves

6.

Which of the following lists the electromagnetic waves in order of decreasing frequency?

a)

X-rays, microwaves, infrared rays

b)

UV rays, visible light, x-rays

c)

infrared rays, microwaves, radio waves

d)

microwaves, gamma rays, radio waves

7.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
8.
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
9.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
10.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
11.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
12.
Which of the following electromagnetic waves has the lowest energy?
a)
gamma ray
b)
infrared wave
c)
visible light wave
d)
microwave
13.
As the frequency of an electromagnetic wave increases, the amount of energy in that wave...
a)
increases.
b)
decreases.
c)
stays the same.
14.

Which color has the longest wavelength?

a)

Yellow

b)

Red

c)

Green

d)

Purple

15.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude 
16.
Which type of light has the highest energy of this group?
a)
red
b)
yellow
c)
green
d)
blue
17.

Radio waves and _______ are used in communication

a)

Microwaves

b)

Gamma rays

c)

Visible light

d)

Ultraviolet

18.

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

a)

wavelength.

b)

intensity.

c)

refraction.

d)

amplitude.

19.

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.

20.
What are the units of frequency?
a)
m/s
b)
s
c)
Hz
d)
m