Waves review
1. Identify the cause of waves.
Vibrations
2. What do waves carry?
Energy
Longitudinal
Transverse
Identify the transverse and longitudinal wave.
Which way do particles in a
medium move when a wave is
passing by?
In a circular path
Explain the difference between
mechanical and electromagentic
waves.
Mechanical waves need a
medium and electromagnetic
waves do not need a medium.
They can travel through a
vacuum.
Describe the movement of
medium particles in a longitudinal
wave.
Particles move side to side
(parallel to the movement of the
wave)
Describe the movement of
medium particles in a transverse
wave.
Particles move up and down (at
right angles to the movement of
the wave)
Bw 2 rarefactions
Bw 2 compressions
Describe a wavelength in a longitudinal wave.
The distance between 2 compressions OR 2
rarefactions.
Bw 2 crests
Bw 2 troughs
Describe a wavelength in a transverse wave.
The distance between 2 crests OR 2 troughs.
C
B
AA
D
Identify the parts of this transverse wave. (Click to
uncover the answer of each letter)
1. What does a high amplitude indicate
about the wave?
It is high in energy.
2. What does a high frequency indicate
about the wave?
It is high in energy.
It has a shorter wavelength.
1. Which wave
has the highest
frequency?
A
C
2. Which wave has
the longest
wavelength?
A
B
C
Describe the relationship between:
1. Frequency and wavelength
As frequency increases, wavelength
decreases.
2. Frequency and period
As frequency increases, period decreases.
3. Amplitude and energy
As amplitude increases, energy increases.
1. Which process is
represented in the
diagram?
refraction
2. Explain what happens to
the wave and why.
The wave bends
because speed the
wave changes speed.
During refraction, which
way does the wave bend
when it traveling into a
more dense medium?
Explain.
It bends towards the
normal because the wave
slows down.
During refraction, which
way does the wave bend
when it traveling into a
less dense medium?
Explain.
It bends away from the
normal because the wave
sppeds up.
1. What process is taking place in this diagram.
Reflection
1. Describe what the light rays are doing.
The light waves are bouncing off the surface.
What kind of energy do
electromagnetic waves carry?
Radiant energy
1. Which wave has the highest frequency?
gamma rays
2. Which has a shorter wavelength – infrared waves or x-rays?
x-rays
Which has a higher frequency –
microwaves or ultraviolet waves?
ultraviolet waves
A(n) _________ wave cannot travel
through a vacuum.
1) electromagnetic
(2) mechanical
(3) light
(4) transverse
In order for a wave to be produced,
something must
(1)move
(2) vibrate
(3) spread apart
(4) squeeze together
Sound waves are _______________
waves.
(1) mechanical
(2) transverse
(3) Electromagnetic
(4) longitudinal
A transverse wave is a wave in which
the
(1) motion of the medium & direction
of the wave are the same
(2) medium is in its liquid phase
(3) motion of the medium & direction
are at right angles to each other
(4) medium is in its solid phase
Any substance through which a
wave can travel is called a
(1) solid
(2) vacuum
(3) medium
(4) liquid
A large spring is stretched horizontally between 2
people. One person wiggles the spring up and
down at one end. The up-and-down vibration
then moves along the spring on to the other
person. Which of the following type of wave is
created in the spring?
1.pressure wave
2.longitudinal wave
3.transverse wave
4.nonmechanical wave
Which of the following statements applies
to longitudinal waves?
1.The motion of the medium is random.
2.The motion of the medium is in a circular
pattern.
3.The motion of the medium is parallel to
the motion of the wave.
4.The motion of the medium is
perpendicular to the motion of the wave.
The part of a longitudinal waves
where particles are farther apart is
known as the
1. crest
2. compression
3. trough
4. rarefaction
The number of waves passing a point
at a given time is known as
1. wavelength
2. frequency
3. period
4. amplitide
The time it takes one wavelength to
pass a certain point is known as
1. wavelength
2. frequency
3. period
4. amplitude
Which of the following best describes the
relationship between frequency and
wavelength?
1. If the frequency remains constant,
wavelength increases.
2. The wavelength decreases and frequency
decreases.
3. The frequency increases as wavelength
decreases.
4. If the wavelength remains constant,
frequency increases.
Which of the following electromagnetic
waves have the highest frequency?
1. Visible light
2. Ultraviolet light
3. Microwaves
4. Infrared waves
Which of the following statements best
compares the wavelengths of the region of
the electromagnetic spectrum?
1. Microwaves are shorter then X-rays.
2. Infrared rays are longer than gamma
waves.
3. Radio waves are shorter than visible light
waves.
4. UV waves are longer than visible light
waves.