QUESTION 1
Which type of wave has a wave perpedicular to the disturbance?
su...
Chemistry, 18.02.2020 21:53, gracedaniels68
QUESTION 1
Which type of wave has a wave perpedicular to the disturbance?
surface
tranverse
longitudinal
mechanical
2 points
QUESTION 2
Energy can be transferred from one medium to another through .
colors
stacking objects
an ordered sequence
vibrations
2 points
QUESTION 3
Which is true of a mechanical wave?
It must have a medium.
It must travel in empty space.
It can travel in a vacuum.
Both sound and light are examples.
2 points
QUESTION 4
What is the amplitude of a wave?
the size of the disturbance
the amount of time that occurs in one full cycle
the amount of cycles that occur in a given time
the distance traveled by the wave during one full cycle
2 points
QUESTION 5
Unlike a transverse wave, the disturbance in a longitudinal wave is
parallel to the wave motion.
perpendicular to the wave motion.
in a circular motion.
in the opposite direction of the wave motion.
2 points
QUESTION 6
A transverse wave can be created in a Slinky® by moving it
together and apart.
up and down.
side to side.
in a circle.
2 points
QUESTION 7
Which is true about surface waves?
The disturbance is in a circular motion.
The disturbance is only parallel to the motion of the wave.
The disturbance does not have a specific motion.
The disturbance is only perpedicular to the motion of the wave.
2 points
QUESTION 8
Which of these waves has a disturbance that is only perpendicular to the wave motion?
no wave has a disturbance that is perpendicular
longitudinal waves
transverse waves
surface waves
2 points
QUESTION 9
What is the speed of a wave if the wavelength is 100 m and the period is 20 s?
5 m/s
80 m/s
120 m/s
2,000 m/s
2 points
QUESTION 10
When traveling from a solid to air, what would you expect a sound wave to do?
stay the same speed
slow down
speed up
fluctuate speed
2 points
QUESTION 11
If a crest and a trough in a ripple tank meet, what happens?
Nothing happens.
They add up to form a larger trough.
Constructive interference occurs.
They cancel each other out.
2 points
QUESTION 12
What is an example of a destructive water wave?
tornado
rain
tsunami
earthquake
2 points
QUESTION 13
Which of these results from destructive interference?
Two waves increase their speed together.
Two waves bounce off each other.
Two waves add to each other to form a large wave.
Two waves subtract from each other.
2 points
QUESTION 14
How do sound waves transfer energy?
compression waves
transverse waves
surface waves
light waves
2 points
QUESTION 15
Sound waves can travel through which mediums?
only solids and liquids
only liquids and gases
only solids and gases
solids, liquids, and gases
2 points
QUESTION 16
Which of these is part of the inner ear?
the ossicles
external auditory meatus
organ of Corti
tympanic membrane
2 points
QUESTION 17
When a large amplitude sound vibrates the ear significantly, a results.
loud sound
low pitch
high pitch
soft sound
2 points
QUESTION 18
The A note has a frequency of 440 Hz. What is the wavelength if the speed of sound is 343 m/s?
0.78 m
1.28 m
0.39 m
97 m
2 points
QUESTION 19
Changing the length of an air column will alter its .
beats
Doppler effect
natural frequency
destructive interference
2 points
QUESTION 20
How does loosening a string on a guitar affect its natural frequency?
increases
fluctuates
decreases
stays the same
2 points
QUESTION 21
If the frequency of a wave is decreased, its energy .
decreases
stays the same
fluctuates
increases
2 points
QUESTION 22
If the number of crests that pass a point in a given time increases, what has decreased?
wavelength
intensity
amplitude
frequency
2 points
QUESTION 23
What sound frequency would a human ear not be able to detect?
10 Hertz
10,000 Hertz
1,000 Hertz
100 Hertz
2 points
QUESTION 24
When an observer is moving towards a stationary object making a sound, the pitch of the sound is perceived to be .
lower
unchanged
higher
fluctuating
2 points
QUESTION 25
The Doppler effect is used at baseball games to measure .
speed
weather
moving clouds
temperature
2 points
QUESTION 26
Which best explains why the acoustics underwater affect the Doppler effect?
Sound waves can not travel through water.
Sound waves can not transfer energy through water.
The speed of sound is less in water than in air.
The speed of sound is greater in water than in air.
2 points
QUESTION 27
Traveling at the speed of sound results in what?
resonance
interference
a supersonic boom
a sonic boom
2 points
QUESTION 28
Which speed(s) is/are below the sound barrier in air?
A. 257 m/s
B. 1,030 m/s
C. 10 m/s
C
A, B, and C
A
A and C
2 points
QUESTION 29
Where is the frequency of infrasound in relation to the range of a human's ability to hear?
It is above the human range.
It can be in any range.
It is below the human range.
It is in the human range.
2 points
QUESTION 30
Medical equipment uses ultrasound to process images using .
constructive interference
destructive interference
resonance
the Doppler effect
Answers: 3
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