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Question 1

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

Revolt · Accepted Answer

a lower frequency and a longer wavelength.

Question 2

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

Revolt · Accepted Answer

infrared light

Question 3

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

Revolt · Accepted Answer

Visible light has higher energy than infrared light because visible light has higher frequencies.

Question 4

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

Revolt · Accepted Answer

gamma rays and X-rays

Question 5

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

Revolt · Accepted Answer

Gamma rays have higher energy than microwaves because gamma rays have shorter wavelengths.

Question 6

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

Revolt · Accepted Answer

The energy increases.

Question 7

What characteristic do all parts of the electromagnetic spectrum share?

Revolt · Accepted Answer

They travel at the same speed through empty space.

Question 8

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

Revolt · Accepted Answer

microwaves

Question 9

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?

Revolt · Accepted Answer

X-rays

Question 10

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

Revolt · Accepted Answer

microwaves, radio waves, infrared light

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