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WorksheetsWave Technology Test Prep
Total questions: 24
Worksheet time: 27mins
Name
Class
Date
1.
What is the amplitude and wavelength of the wave shown below?
a)
A. Amplitude: 30 cm; wavelength: 60 cm
b)
B. Amplitude: 30 cm; wavelength: 110 cm
c)
C. Amplitude: 60 cm; wavelength: 60 cm
d)
D. Amplitude: 60 cm; wavelength: 110 cm
2.
When a wave strikes an object and bounces off, it is referred to as what? (example echo)
a)
Medium
b)
Refraction
c)
Reflection
d)
Interference
3.
Mechanical waves cannot be transmitted through a vacuum. Therefore, which of the following are NOT mechanical waves?
a)
ocean waves
b)
Seismic waves
c)
sound waves
d)
light waves
4.
Which diagram has the longest wavelength?
a)
#1
b)
#2
c)
#3
d)
$4
5.
Types of mechanical waves include
a)
transverse waves.
b)
longitudinal / compression waves
c)
surface waves
d)
all of the above
6.
A wave will travel only as long as it has ___________ to carry.
a)
mass
b)
matter
c)
energy
d)
speed
7.
Frequency is measured in units called
a)
amps
b)
hertz
c)
nodes
d)
antinodes
8.
Digital information is coded in:
a)
patterns of 1s and 0s
b)
patterns of numbers 1-9
c)
patterns of numbers
d)
changes in amplitude, frequency, or wavelength
9.
Which is an example of an analog signal?
a)
Record Player
b)
CD Player
c)
computer
d)
cellphone
10.
In the image provided, which represents the wavelength of a Longitudinal / Compressional wave?
a)
A to B
b)
B to E
c)
C to E
d)
E to F
11.
The number of wavelengths that pass a point per second is:
a)
frequency
b)
period
c)
longitudinal
d)
transverse wave
12.
When a wave bends as it passes through at an angle from one medium to another it is referred to as what?(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
13.
A wave in which the oscillations are at right angles to the direction of wave travel is called a
a)
angular wave
b)
longitudinal wave
c)
oscillating wave
d)
transverse wave
14.
Ocean waves are observed to travel along the water surface during a developing storm. A Coast Guard weather station observes that there is a vertical distance from high point to low point of 4.6 meters and a horizontal distance of 8.6 meters between adjacent crests. The waves splash into the station once every 6.2 seconds. Determine the frequency of these waves.
a)
f = 1.87 Hz
b)
f = 6.2 Hz
c)
f = 1.39 Hz
d)
f = 0.161 Hz
15.
Two boats are anchored 7.0 meters apart. They bob up and down, returning to the same up position every 10.0 seconds. The boats rise a vertical distance of 7.0 meters between their lowest and their highest point. When one is up the other is down. There are never any wave crests between the boats. Determine the speed of the waves.
a)
1.35 m/s
b)
0.09 m/s
c)
1.4 m/s.
d)
3.4 m/s
16.
Paul stretches a slinky between his hands and begin experimenting with waves. As the frequency of the waves is doubled:
a)
a. the wavelength is halved and the speed remains constant
b)
b. the wavelength remains constant and the speed is doubled
c)
c. both the wavelength and the speed are halved.
d)
d. both the wavelength and the speed remain constant.
17.
Identify an advantage of digital signals:
a)
Larger size
b)
Low cost
c)
Travel farther without interference
d)
Requires more power
18.
Mac and Tosh stand 8 meters apart and demonstrate the motion of a transverse wave on a slinky. The wave can be described as having a vertical distance of 32 cm from a trough to a crest, a frequency of 2.4 Hz, and a horizontal distance of 48 cm from a crest to the nearest trough. Determine the amplitude of such a wave.
a)
.16 m
b)
.133 m
c)
.2 m
d)
.32 m
19.
A sound wave cannot travel through...
a)
a vacuum(empty space)
b)
water
c)
air
d)
glass
20.
Regular disturbances that carry energy through matter or space is a:
a)
Crest
b)
Matter
c)
Wave
d)
trough
21.
A wave can make a boat bob up and down on the water, but it cannot move the boat toward the shore. This is because waves only transfer:
a)
matter
b)
energy
c)
amplitude
d)
frequency
22.
Which wave in the diagram has the greatest frequency?
a)
#1
b)
#2
c)
#3
d)
#4
23.
The wavelength shown in the diagram is:
a)
2 meters
b)
4 meters
c)
8 meters
d)
12 meters
24.
What property of the wave is represented by the letter "D"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
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