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WorksheetsWaves Interactions (Test)
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Which of the following is the bending of a wave, which changes its speed.
a)
Reflection
b)
Diffraction
c)
Refraction
d)
Frequency
2.
Which type of interaction is this?
a)
reflection
b)
refraction
c)
diffraction
3.
What does B represent?
a)
reflection
b)
absorption
c)
transmission
d)
refraction
4.
What is interference of waves?
a)
A superposition of two waves to form a resultant wave with higher or lower frequency.
b)
A superposition of two waves to form a wave of larger or smaller amplitude.
c)
A superposition of two waves to form a resultant wave with higher or lower velocity.
d)
A superposition of two waves to form a resultant wave with longer or shorter wavelength.
5.
True or false? Sometimes during wave interaction, both constructive and destructive interference can occur at the same time.
a)
True
b)
False
6.
What are standing waves?
a)
waves that appear to remain in one place and do not seem to move
b)
waves that seem to move along a trajectory
7.
Standing waves are formed --
a)
by the superposition of two or more waves moving in opposite directions.
b)
by the superposition of two or more waves moving in the same direction.
c)
by the superposition of two or more waves moving in perpendicular directions.
d)
by the superposition of two or more waves moving in any arbitrary directions.
8.
The reflection of a wave is --
a)
the change in amplitude of a wave when it bounces off a barrier.
b)
the change in frequency of a wave when it bounces off a barrier.
c)
the change in velocity of a wave when it bounces off a barrier.
d)
the change in direction of a wave when it bounces off a barrier.
9.
The following is an example of which type of interference?
a)
constructive
b)
destructive
10.
The following is an example of which type of interference?
a)
constructive
b)
destructive
11.
Constructive interference will cause the wave to
a)
Increase its displacement
b)
Decrease its displacement
c)
Make its displacement stay the same
12.
Which wave behavior do noise cancelling headphones use?
a)
diffraction
b)
refraction
c)
constructive interference
d)
destructive interference
13.
In a standing wave, destructive interference creates points of zero amplitude called nodes. Which letters represent this.
a)
A,E,F
b)
B,D,F
c)
B,C,D
d)
A,C,F
14.
The image describes what kind of interference?
a)
constructive
b)
destructive
c)
both, resulting in a beat
d)
none, resulting in a beat
15.
When a wave bends around a barrier or passes through an opening, it is called
a)
Diffraction
b)
Reflection
c)
Refraction
d)
Interference
16.
This image is representing what wave interaction?
a)
Refraction
b)
Diffraction
c)
Reflection
d)
Interference
17.
The fact the two angles are the same is an example of....
a)
Refraction
b)
Angle of Incidence
c)
Law of reflection
d)
Magnification
18.
What is happening in this picture?
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Absorption
19.
When a wave enters a new medium at 60 degrees and changes speed, the wave
a)
does not bend because one side changes speed before the other
b)
does not bend because the angle is less than 90 degrees
c)
bends because both sides change speed at the same time
d)
bends because one side changes speed before the other side
20.
Two waves approach each other as shown in the diagram. What will the amplitude of the wave be produced if the crests from each wave meet?
a)
35 cm
b)
20 cm
c)
15 cm
d)
5 cm
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