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Electromagnetic Spectrum

Total questions: 20

Worksheet time: 3mins

Name
Class
Date
1.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
2.
Select the correct order of waves on the EMS 
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
3.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
4.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
5.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude 
6.

Which of the following has the highest frequency?

a)

The color blue

b)

The color orange

c)

The color yellow

d)

The color violet

7.
Which electromagnetic waves are used in ovens and cell phone communications?
a)
Infrared rays
b)
ultraviolet rays
c)
microwaves
8.
Which type of waves are used in broadcasting?
a)
radio waves
b)
infrared rays
c)
x-rays
9.
Electromagnetic waves that help your body produce vitamin D are called?
a)
ultraviolet rays
b)
x-rays
c)
gamma rays
10.
Which of the following has wavelengths longer than microwaves?
a)
Infrared waves
b)
Radio waves
c)
Visible light
11.
Which electromagnetic waves allow us to diagnose & treat cancer?
a)
Gamma rays
b)
X-rays
c)
Ultraviolet rays
12.
Which electromagnetic waves help doctors detect broken bones inside your body?
a)
gamma rays
b)
x-rays
c)
ultraviolet rays
13.
Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
a)
ultraviolet rays
b)
microwaves
c)
infrared rays
14.
Radar uses which type of electromagnetic waves to detect objects & measure their distance and speed?
a)
microwaves
b)
infrared rays
c)
x-rays
15.

The speed of electromagnetic radiation:

a)

depends on the form of radiation

b)

is always 3 x 108 m/s, regardless of the type

c)

decreases as distance increases

d)

is 6.626 x 10-34 J x s

16.

Which of the following is a unit for frequency?

a)

Joules

b)

Hertz

c)

meters per second

d)

seconds

17.

We see a "rainbow of colors" that when perceived together produce:

a)

black light

b)

white light

c)

gamma rays

d)

x-ray images

18.

Which is can be felt as "heat"?

a)

gamma rays

b)

infrared

c)

x-ray

d)

blue light

19.

Which of the following uses radio waves?

a)

radar

b)

radiation therapy

c)

X-ray machine

d)

CD-ROM

20.

Sunscreen is designed to protect your skin from exposure to too much ___________.

a)

ultraviolet radiation

b)

gamma radiation

c)

infrared radiation

d)

visible light

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