AnswersFL-2003310-Physical Science CRProperties of Sound

The Electromagnetic Spectrum Answers

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1
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Which describes the changes in visible light moving from red to violet?

A
The energy increases.
B
The speed decreases.
C
The wavelength increases.
D
The frequency decreases.
2
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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.
B
a higher frequency and a longer wavelength.
C
a lower frequency and a longer wavelength.
D
a higher frequency and a shorter wavelength.
3

Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells?

A
gamma rays
B
visible light
C
infrared light
D
microwaves
4

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

Question illustration
A
Gamma rays should have a very high frequency, not a very low frequency.
B
Visible light should have a low frequency and a long wavelength.
C
Infrared light should have a short wavelength, not a long wavelength.
D
Microwaves should have a high frequency and a short wavelength.
5

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.
6

Which three types of electromagnetic waves have longer wavelengths than the waves that make up visible light?

A
radio waves, gamma rays, X-rays
B
gamma rays, infrared light, X-rays
C
microwaves, radio waves, infrared light
D
infrared light, ultraviolet light, microwaves
7

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

Question illustration
A
X-rays should have a low frequency and a long wavelength.
B
Infrared light should have a high frequency, not a low frequency.
C
Radio waves should have a very high frequency and a very short wavelength.
D
Ultraviolet light should have a short wavelength, not a long wavelength.
8

What characteristic do all parts of the electromagnetic spectrum share?

A
They have the same wavelength.
B
They have the same frequency.
C
They interact in the same way with any matter.
D
They travel at the same speed through empty space.
9

Which part of the electromagnetic spectrum is typically used to make images based on the temperatures of objects?

A
X-rays
B
radio waves
C
infrared light
D
visible light
10

A veterinarian thinks that a dog has swallowed a key ring. Which types of electromagnetic waves is the doctor most likely to use to check the dog?

A
gamma rays
B
microwaves
C
radio waves
D
X-rays

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