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Sound Chapter 3: EM Waves
Test Description: This should help you study for your test
Instructions: Answer all questions to get your test result.
1) How can light act as a particle?
A
It can act like stream of particles called photons; just like in the photoelectric effect
B
It can act like stream of particles called light; just like in the photoelectric effect
C
It can act like stream of particles called photons; just like in the particle effect
D
It can act like stream of particles called photons; just like in the light effect
2) How can light act as a wave?
A
Light is an visible light wave; just like when light passes through a polarizing filter
B
Light is an electromagnetic wave; just like when light passes through a polarizing filter
C
Light is an electromagnetic wave; just like when light passes through a unpolarizing filter
D
Light is an light wave; just like when light passes through a polarizing filter
3) What uses microwaves, then the signal goes to a tower, then a hub, then to a switching station, then to a tower close to you?
A
GPS
B
Waves
C
Cell Phone Communication
D
Microwaves
4) What stops radio waves from going one satellite to the other?
A
The curve of Earth
B
The sun
C
Gravity
D
Planets
5) Radio waves carry information from a broadcasting station to your radio and what?
A
TV
B
iPad
C
GPS
D
Phone
6) What makes long-distance telephone calls possible anywhere in the world?
A
Waves
B
The curve of Earth
C
Satellite telephone systems
D
Gravity
7) What kind of light consists of waves that vibrate in only one direction?
A
Unpolarized light
B
Polarized Light
C
EM Waves
D
Light Waves
8) How are electromagnetic (EM) waves classified?
A
Short waves
B
Longitudinal waves
C
Transverse waves
D
Long waves
9) A thermogram uses what types of waves to identify warm and cool parts of objects?
A
Infrared Rays
B
Visible Light
C
Microwaves
D
Radio Waves
10) What is the part of the spectrum you can see?
A
Radio Waves
B
Microwaves
C
Infrared Rays
D
Visible Light
11) What effect is shown when electric current flows when light shines on certain substances?
A
Polarized Light
B
Photoelectric Light
C
Photoelectric Effect
D
Polarized Effect
12) In electromagnetic (EM) waves, the magnetic fields are what to the electric fields?
A
180 dgrees
B
to the left of
C
Perpendicular (right angle)
D
next to
13) Which electromagnetic (EM) waves have the longest wavelengths and lowest frequencies?
A
Radio Waves
B
Gamma Rays
C
Ultraviolet Rays
D
Infrared Waves
14) The frequency remains the same on what radio waves?
A
FM waves
B
AM waves
C
new radios
D
old radios
15) When FM signals travel what changes?
A
The frequency of the wave
B
The amplitude of the wave
C
The loudness of the wave
D
The wavelength of the wave
16) Which rays have the highest frequencies?
A
X-Rays
B
Visible Light
C
Gamma Rays
D
UV Rays
17) The particle model is best explained by what?
A
Polarized Light
B
Photoelectric Effect
C
Photons
D
Polarized Filters
18) What is electromagnetic spectrum?
A
The range of colors placed in order
B
The range of electromagnetic waves placed in order
C
The range of best waves placed in order
D
The range of oldest waves placed in order
19) In a vacuum, all EM waves have the same what?
A
frequency
B
wavelength
C
speed
D
amplitude
20) Which waves have some electrical and magnetic properties?
A
Electromagnetic waves
B
Mechanical Waves
C
Longitudinal Waves
D
Transverse Waves
*select an answer for all questions
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