AnswersPhysicsElectromagnetic Waves

Electromagnetic Waves — Quiz Answers

10 verified answers1 views
1
Free Preview

A lab technician needs to clean medical instruments that have been exposed to bacteria. Which electromagnetic wave would be most useful for this task?

A
ultraviolet
B
radio
C
microwave
D
infrared
2
Free Preview

A lab technician needs to clean medical instruments that have been exposed to bacteria. Which electromagnetic wave would be most useful for this task?

A
radio
B
infrared
C
microwave
D
ultraviolet
3

Which is the correct formula for finding the frequency of an electromagnetic wave?

A
f is equal to c minus lambda
B
f is equal to lambda over c
C
f is equal to lambda plus c
D
f is equal to c over lambda
4

Which describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels through different media?

A
As speed changes, wavelength and frequency change.
B
As speed changes, wavelength and frequency remain constant.
C
As speed changes, wavelength changes and frequency remains constant.
D
As speed changes, frequency changes and wavelength remains constant.
5

Which lists the waves in order of frequency, from highest to lowest?

A
visible light, infrared, microwaves
B
ultraviolet, microwaves, gamma rays
C
cap x -rays, gamma rays, ultraviolet
D
radio waves, visible light, cap x -rays
6

Which describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels through different media?

A
As speed changes, wavelength changes and frequency remains constant.
B
As speed changes, wavelength and frequency remain constant.
C
As speed changes, wavelength and frequency change.
D
As speed changes, frequency changes and wavelength remains constant.
7

Which is the correct formula for finding the frequency of an electromagnetic wave?

A
f is equal to c over lambda
B
f is equal to lambda plus c
C
f is equal to lambda over c
D
f is equal to c minus lambda
8

A lab technician needs to clean medical instruments that have been exposed to bacteria. Which electromagnetic wave would be most useful for this task?

A
radio
B
microwave
C
infrared
D
ultraviolet
9

Which is the correct formula for finding the frequency of an electromagnetic wave?

A
f is equal to lambda plus c
B
f is equal to c over lambda
C
f is equal to c minus lambda
D
f is equal to lambda over c
10

As the frequency of electromagnetic waves increases, what happens to the wavelength?

A
It remains constant.
B
It fluctuates.
C
It decreases.
D
It increases.

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Quiz

Quiz
10 verified answers

Quiz

Quiz
9 verified answers

Quiz