Workplace Right and Laws Answers

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3

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
4

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.
6

most likely

g
gamma rays
m
microwaves
r
radio waves
X
X-rays
7

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.
8

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
9

The energy of microwaves is less than the energy of ultraviolet light. Which comparison of the energies of electromagnetic waves is correct?

A
X-rays have lower energy than gamma rays because X-rays have higher frequencies.
B
X-rays have lower energy than gamma rays because X-rays have shorter wavelengths.
C
Visible light has higher energy than infrared light because visible light has longer wavelengths.
D
Visible light has higher energy than infrared light because visible light has higher frequencies.
10

How can electromagnetic waves be used to fight a forest fire?

A
Gamma ray images can show hot spots as radioactive areas.
B
Ultraviolet images can show hot spots as fluorescent areas.
C
X-ray images can show hot spots as white areas.
D
Infrared images can show hot spots as red areas.

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