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USAD Science - Wave Properties
Terms in this set (45)
What are the light emitted by the Sun, the sound generated by a thunderclap, and the ripples of water in a pond are described by what concept?
What are some examples described by the general mathematical concept of waves?
Light emitted by the Sun, sound created by a thunderclap, and ripples of water in a pond
What is a wave?
Motion of a disturbance between two points
What is the motion of a disturbance between two points?
What do waves transport?
What do waves not transport?
How does a buoy represent waves?
The height of the buoy changes with time, on average its position along the surface of the water doesn't change
What do the individual particles of a medium through which the wave is moving do?
What is the amplitude of a wave?
The maximum displacement from the equilibrium position
What is the maximum displacement from the equilibrium known as?
What is amplitude for a water wave or wave on a string?
The height of the wave compared to its resting position
What is amplitude for electromagnetic waves?
The maximum magnitude of the electric and magnetic fields
What is the amplitude of the wave related to?
The intensity of the wave
What is the definition of a wave?
The distance between two consecutive corresponding points on a wave
What is the term for the distance between two consecutive corresponding points on a wave?
What is the symbol for wavelength?
What is ƛ the symbol for?
What is the number of oscillations a wave makes in a given amount of time?
What is frequency?
The number of oscillations a wave makes in a given amount of time
What is the symbol for frequency?
What is f the symbol for?
What is the standard unit of frequency?
What does a hertz measure?
The frequency of a wavelength
What does 1 Hz equal?
One oscillation per second
What is the period of a wave?
The amount of time that elapses between oscillations
What is the symbol for the period of a wave?
What is T the symbol for?
The period of a wave
What is the relationship between the period and the frequency of a wave?
They are inversely proportional
If the frequency of a wave is 60 Hz, what is the period?
If the period of a wave is .3 seconds, what is the frequency?
What is the wave speed related to?
Its frequency and wavelength
What is the variable for wave speed?
What is v the variable for?
What is the equation for wave speed?
What can we convert the equation for wave speed into?
The higher the frequency of a wave, the __________ its wavelength
The _____________ the frequency of a wave, the longer its wavelength
What are all waves caused by?
Some kind of initial disturbance or vibration
What are electromagnetic waves caused by?
The vibration of charged particles
What are some charged particles that vibrate to cause electromagnetic waves?
Electrons and protons
What are charged particles surrounded by?
What do the electric fields around charged particles do?
Exert forces on other charged particles
What happens when a charged particle vibrates?
THe fluctuation in its electric field causes a self-perpetuating "pulse" that spreads out
What is an electromagnetic disturbance known as?
A wave packet
What is a wave packet?
An electromagnetic disturbance
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