The Electromagnetic Spectrum Answers

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1
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Quentin made a table to summarize uses of electromagnetic waves.

Question illustration
m
music broadcasts
l
luggage inspections
n
night-vision goggles
d
digital photographs
2
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Which three types of electromagnetic waves have longer wavelengths than the waves that make up visible light?

r
radio waves, gamma rays, X-rays
g
gamma rays, infrared light, X-rays
m
microwaves, radio waves, infrared light
i
infrared light, ultraviolet light, microwaves
3

most likely

g
gamma rays
m
microwaves
r
radio waves
X
X-rays
5

Which describes the changes in visible light moving from red to violet?

T
The energy increases.
T
The speed decreases.
T
The wavelength increases.
T
The frequency decreases.
6

Which two types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light?

r
radio waves and infrared light
v
visible light and X-rays
m
microwaves and gamma rays
g
gamma rays and X-rays
7

Gino made a table to describe parts of the electromagnetic spectrum.What mistake did Gino make?

Question illustration
X
X-rays should have a low frequency and a long wavelength.
I
Infrared light should have a high frequency, not a low frequency.
R
Radio waves should have a very high frequency and a very short wavelength.
U
Ultraviolet light should have a short wavelength, not a long wavelength.
9

Some snakes have special sensory organs that detect the infrared region of the electromagnetic spectrum. Compared with human vision, these snakes can sense electromagnetic waves that have

a
a lower frequency and a shorter wavelength.
a
a higher frequency and a longer wavelength.
a
a lower frequency and a longer wavelength.
a
a higher frequency and a shorter wavelength.
10

best

I
It changes color as it absorbs visible light from the radar set.
I
It softens and melts as it absorbs microwaves from the radar set.
I
It becomes radioactive after it absorbs gamma rays from the radar set.
I
It begins to fluoresce after it absorbs ultraviolet light from the radar set.

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