AnswersPARTA - EOP PGCPS BIOGEOCHEM CR FALL2026 - 798113The Electromagnetic Spectrum

The Electromagnetic Spectrum Answers

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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.
2
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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.
3

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
4

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
5

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

A
radio waves and infrared light
B
visible light and X-rays
C
microwaves and gamma rays
D
gamma rays and X-rays
6

Which part of the electromagnetic spectrum is nearest to radio waves?

A
X-rays
B
microwaves
C
gamma rays
D
ultraviolet light
7

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.
8

Someone places a chocolate bar near a working radar set that is used to locate ships and airplanes. Which best describes what is likely to happen to the chocolate bar?

A
It changes color as it absorbs visible light from the radar set.
B
It softens and melts as it absorbs microwaves from the radar set.
C
It becomes radioactive after it absorbs gamma rays from the radar set.
D
It begins to fluoresce after it absorbs ultraviolet light from the radar set.
9

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.
10

Quentin made a table to summarize uses of electromagnetic waves.

Question illustration
A
music broadcasts
B
luggage inspections
C
night-vision goggles
D
digital photographs

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