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[Physical Science] Chapter 17/18 Review Flashcards | StudBud
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[Physical Science] Chapter 17/18 Review
[Physical Science] Chapter 17/18 Review
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Chapter 17/18 - Waves
Flashcards
49 cards
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Questions
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Answers
1
A spring vibrates back and forth 15 times in one second. This is an example of a(n)
amplitude
frequency
period
wavelength
2
When the three primary colors for pigments are mixed together, they form
white
black
cyan
yellow
3
What type of waves are sound waves?
transverse
longitudinal
air
surface
4
The process in which white light separates into colors is called
rarefaction
filtering
diffusion
dispersion
5
A thermograph is a color-coded picture that shows variations in
mass
speed
temperature
depth
6
Compare the wavelengths of the three waves shown below:
Red has the shortest wavelength.
Blue has the shortest wavelength.
They all have the same wavelength.
Green has the shortest wavelength.
7
Which of the following is NOT a primary color for light?
green
red
blue
yellow
8
What type of wave is shown below?
mechanical wave
magnetic wave
electric wave
electromagnetic wave
9
On a longitudinal wave, there are areas of compressions and ____________.
troughs
rarefactions
uncompressions
references
10
The Doppler Effect says as a sound source gets closer, the observer hears a ________ pitch.
higher
lower
11
The period of a wave is measured in
meters
seconds
none of the above
hertz
12
T/F: Mechanical waves require a medium.
True
False
13
Which of the following waves has the lowest frequency?
X-rays
radio waves
UV rays
gamma rays
14
Which color in the visible light spectrum has the highest frequency?
yellow
red
green
violet
15
Trivia - How high is the crossbar on a football goal post?
20 meters
10 meters
5 feet
10 feet
16
What process takes place when sound is recorded?
Sound waves are converted into electronic signals.
Electronic signals are converted into sound waves.
17
Which two primary colors of light are required to create orange?
red and green
green and blue
red and blue
red and yellow
18
A wave on a string has a period of 0.2 seconds. What is the frequency of the wave?
0.2 Hz
0.2 s
5 s
5 Hz
19
What type of wave is used to carry cell phone signals?
visible light
gamma rays
infrared rays
microwaves
20
Trivia - Which side of a book are the odd-numbered pages usually on?
on the left
on the right
21
Sound intensity is measured in
hertz
meters per second
decibels
joules
22
The speed of light in a vacuum is
3.00 m/s
3.00 × 108 m/s
9.8 m/s2
9.8 m/s
23
What type of mechanical wave is shown below?
longitudinal
transverse
surface
water
24
Trivia - How many "Tom and Jerry" shorts were made?
100
225
57
163
25
Which type(s) of waves can travel through a vacuum?
mechanical waves only
neither mechanical and electromagnetic waves
both mechanical and electromagnetic waves
electromagnetic waves only
26
A transverse wave has a frequency of 25 Hz. What is the period of the wave?
25 s
0.04 s
25 Hz
0.04 Hz
27
The intensity of a light describes the _______ of the light.
wavelength
brightness
frequency
color
28
What type of mechanical wave is shown below?
water
surface
transverse
longitudinal
29
Radio waves are classified into AM and FM waves, which stand for
amplitude and frequency modulation
amplitude and frequency medium
air and frequency medium
morning and afternoon
30
A radio wave has a frequency of 2×10
6
Hz. What is the wavelength of the wave?
0.6×10-2 m
150 m
6×1014 m
2×106 m
31
The material through which a wave travels is called
air
water
a wavelength
a medium
32
What type of wave is often associated with heat?
visible light
gamma rays
infrared rays
radio waves
33
What is the wavelength of a wave if it has a speed of 850 m/s and a frequency of 420 Hz?
2.02 m
0.00238 m
0.494 m
357,000 m
34
Longer strings produce _______ frequencies.
lower
higher
35
The lowest point of a transverse wave is called the
trough
hill
valley
crest
36
The intensity of light _________ with increasing distance from a light source.
stays the same
varies
decreases
increases
37
The frequency of a sound as you perceive it is called
pitch
intensity
loudness
sound speed
38
Waves can travel through which of the following?
all of the above
liquids
gases
solids
39
When red and blue light are mixed together, they create
cyan
yellow
purple
magenta
40
Compare the frequencies of the three waves shown below:
Green has the highest frequency.
Red has the highest frequency.
Blue has the highest frequency.
They all have the same frequency.
41
What type of wave is the most dangerous?
infrared rays
gamma rays
visible light
UV rays
42
A mechanical wave is a disturbance in matter that carries __________ from one place to another.
matter
particles
energy
fluid
43
Sound waves travel the fastest through
solids
liquids
none of the above
gases
44
Electromagnetic radiation behaves sometimes like a stream of particles called
electrons
protons
neutrons
photons
45
What type of mechanical wave is shown below?
transverse
water
surface
longitudinal
46
Trivia - What does a lepidopterist study or collect?
stones
leopards
prints
butterflies
47
What is the speed of a wave on a rope if it has a wavelength of 0.15 m and a period of 0.25 s?
0.0375 m/s
1.67 m/s
4 m/s
0.6 m/s
48
A red shirt will ______________red and _____________ all other colors except red.
reflect; reflect
absorb; absorb
reflect; absorb
absorb; reflect
49
Which of the following represents the amount of energy carried by this wave?
#1
#2
#4
#3
