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Transcript of Wave Properties
Many people think when they hear wavelength is how long the wave is. However there is much more than just how long the wave is!
is the distance between one point of a wave and the closest point just like the wave.
*Wavelength for sound waves start form the
pitch sound to the
Wavelength for Compressions
To measure a wavelength in a compressional wave can be measured from the start of the compression to the other side of compression, also to rarefaction to rarefaction.
Frequency and Period
Have you ever changed the radio to a different station? If so radio waves also have frequency to change to the next station!
In this presentation you will learn the things that form a wave. Also the different kinds of waves.
What is a wave?
-is a rhythmic disturbance which carries energy through space or matter
Many waves have an energy called an
There are two different types of waves!
the waves medium moves in a perpendicular motion to the direction of the wave
*Example as the wave moves left to right the medium moves up and down.
vibrates in the direction that the wave is traveling
Example, a sound of the slinky
is the number of waves that pass a given point in one second.
is the Si unit for frequency
is equal to one wave passing through a given point in
Say you are sitting on a boating dock, and
wave washed upon the dock every second the frequency would be
is the amount of time it takes a wavelenth ro pass a point.
If you make Transverse waves with a string the
, also moving the string faster will make the
As frequency increases wavelength decreases.
Are all waves the same?
Not all waves are the same, just like human waves are different from each other also. Waves can differ by how much
they transfer and how fast they go.
is the speed of a wave that depends on the medium it is moving through.
travel faster in liquids and solids than in gasses or empty spaces.
Parts of a Wave
, are the high points in a wave.
, are the low points in a wave
Crest and Trough
Parts of a Wave
crest or troughs. The wave is made of compressions and rarefactions that travel through the medium. Therefore the wave becomes crowded together.However
have many crest and troughs.
, are the less dense region in a compressional wave.
Also sound waves travel
in places were the temperature is increased
For example sound waves would travel
degrees Celsius and
Frequency and Wavelength
However light waves are faster.
Mrs.Kenney science textbook
Alyssa Murillo, Ruben Little, Daniel Alba, Abbie Edwards
Calculating Wave Speed
To calculate the speed of a wave you will have to use these terms:
Wave speed, Frequency
is represented by
is represented by a greek letter called
is represented by
* The symbol above is the greek letter lambda. However is represented by wavelength
What is the speed a sound wave that has a
of 2.0m = (symbol) 2.00m
of 170.5 Hz = f 170.5 Hz
* The speed of the
= v ? m/s
Now put you equation together
v= f(wavelength symbol)
Why is it that some earthquakes cause bad damage while others don't leave a mark?
This is because of
Amplitude and Energy
is related to the energy made by a wave
the waves amplitude the more
the wave transverse
*The amplitude of a
depends on the
in the compressions and rarefactions
amplitude wave coils are
together in compressions.
* The amplitude of a
is the distance between
, also the postilion of the medium at rest.