Types of Waves
Parts of a wave
Longitudinal and transverse waves
Highs and lows
Fast and slow
Fast and slow
100
A repeating disturbance that transfers energy through matter or space is called an...
What is a Wave?
100
The high point of a transverse wave (#2 below)
What is the crest?
100
The less dense region of a longitudinal wave, where the medium is spread out is called...
What is rarefaction?
100
What is the amplitude of the wave?
Amplitude = 9
200
The medium of this wave moves up and down, perpendicular to the direction of the wave.
What is a transverse Wave?
200
The low point of a transverse wave (#3 below)
What is the Trough?
200
The more dense region of a longitudinal wave, where the medium is crowded together is called...
What is Compression?
200
Double Jeopardy: What is the wavelength?
WL = 3
300
In this wave, the particles of a medium move side to side in the same direction as the wave.
What is a longitudinal wave?
300
The distance between two identical points on two waves (#1 below) is called...
Wavelength
300
Double Jeopardy!
____________is described as how closely the medium is pushed together at the compression of a longitudinal wave.
What is the Amplitude?
300
Double Jeopardy: What is the wavelength of the wave?
Wavelength = 12
400
These waves occur during an earth quake and have elements of both a longitudinal and transversal wave.
What are seismic waves?
400
The measure of how high or low a wave is (#3 below)
Amplitude
400
The number of wavelengths that pass a given point per second
What is Frequency measured in Hertz (Hz)
400
Double Jeopardy!
What is the frequency in the graph below:
Frequency equals complete waves per second = .25 Hz
500
Double Jeopardy!
A wave along a guitar string has a frequency of 540 Hz and a wavelength of 2.5 meters. Calculate the speed of the wave.
What is 1350 m/s
500
Double Jeopardy!
The average wavelength in a series of ocean waves is 15.0 meters. A wave crest arrives at the shore on an average of every 10.0 seconds, so the frequency is 0.100 Hz. What is the average speed of the waves?
What is 1.5 m/s
500
Double Jeopardy!
The speed of sound in air is about 340 m/s. What is the wavelength of sound waves produced by a guitar string vibrating at 490 Hz? (to the nearest thousandth)
what is 0.694 m
500
Double Jeopardy!
The note A above middle C on a piano emits a sound wave with a wavelength of 0.77 meters.
What is the frequency of the wave? Use 340 m/s as the speed of the sound wave. (round to the nearest hundredth)
What is 441.56 Hz