5/2/23, 10:44 AM
Wavelengths
NAME :
CLASS :
Wavelengths
25 Questions
DATE :
1.
The highest point on a transverse wave is the ____________
A
Trough
B
Amplitude
C
Compression
D
Crest
2.
When particles move parallel to the motion of the wave, the wave is called....
A
S-wave
B
Longitudinal
C
Transverse
D
EMR wave
3.
Which wave has the shortest wavelength?
A
4
B
1
C
3
D
2
4.
Which wave has highest frequency?
A
A
B
B
C
D
D
C
5.
Letter G represents...
A
Compression
B
Wavelength
C
Rarefaction
D
Amplitude.
6.
Which wave is carrying more energy?
A
The blue wave because it has higher frequency.
B
The blue wave because it has a larger amplitude.
C
The red wave because it has higher amplitude.
D
The red wave because it has higher frequency.
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Wavelengths
7.
Standing waves are created by
A
Two identical waves are diffracted from two identical
sources
B
Two identical waves move through each other in
opposite directions
C
Two identical waves being diffracted together
D
Two identical waves reflecting off each other
8.
In the diagram which letters represent the nodes
A
ACD
B
ACE
C
BD
D
ABC
E
BDE
9.
A violin string of length 0.54 m and wave speed of 565 m/s along it. Calculate the frequency of the
5th harmonic.
A
282.5 Hz
B
1046.3 HZ
C
1546 Hz
D
3138.89 Hz
10.
The moving black dot is called:
A
a node
B
an anti-node
C
an anti-amplitude
D
the wangy bit
11.
The stationary dot is called:
A
a node.
B
the not moving bit.
C
the amplitude.
D
an anti-node.
12.
Which harmonic is shown?
A
4th
B
1st
C
3rd
D
2nd
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Wavelengths
13.
How many antinodes does this standing wave have?
A
6
B
5
C
8
D
7
14.
The first harmonic has
A
2 antinodes
B
no nodes
C
1 antinode
D
1 node
15.
The second harmonic on a string fixed at both ends shows
A
Two wavelengths
C
Half a wavelength
16.
When a guitar is tuned to adjust its pitch, what is it that is changed?
A
The wavelength of the fundamental.
C
The amplitude of the fundamental.
17.
What does it mean to reflect?
A
B
A wavelength
B
The frequency of the fundamental.
energy
B
bounce off
C
bend
D
refract
18.
What does it mean to refract?
A
reflect
B
curve outward
C
bounce off
D
to bend
19.
When two waves combine to form a new wave with a smaller amplitude, it is called
A
Resonance
B
Destructive Interference
C
Constructive Interference
D
Refraction
20.
As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the
siren's pitch got lower. This change in pitch is because of a change in the sound wave's
A
concussion.
B
reflection.
C
frequency.
D
amplitude.
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Wavelengths
21.
After the train passed, the pitch of the train whistle became lower. This change in sound would be
represented by what change in the diagram above?
A
The distance represented by D would increase.
B
The distance represented by D would decrease.
C
The distance represented by C would increase.
D
The distance represented by C would decrease.
22.
An observer moves towards a source of sound at a speed of 30 ms-1
If the frequency of the sound to a stationary observer is 500 Hz the frequency to the moving
observer is
A
544 Hz
B
460 Hz
C
456 Hz
D
548 Hz
23.
A wave has a velocity of 10 m/s and a frequency of 20 hz. What is the wave length of the wave?
A
10 m
C
2m
24.
B
0.5 m
If a frequency of 440 Hz and 441 Hz are being played at the same time, what is the beat
frequency?
A
194,040 Hz
B
881 Hz
C
1 Hz
D
.997 Hz
25.
When we strike the tuning fork and make the other tuning fork ring, we are observing...
A
Resonance
B
Doppler Effect
C
Beat Frequency
D
Standing Waves
Answer Key
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Wavelengths
1.d
2.b
3.a
4.c
5.b
6.a
7.b
8.b
9.d
10.b
11.a
12.c
13.a
14.c
15.b
16.b
17.b
18.d
19.b
20.c
21.c
22.a
23.b
24.c
25.a
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