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vocab b,c
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100
transverse wave
a moving wave that consists of oscillations occurring perpendicular (or right angled) to the direction of energy transfer.
100
frequency
the number of waves that pass a fixed point in unit time
100
refraction
change in direction of any wave
100
rarefaction
a wave changes direction due to the change of speed
100
electromagnetic spectrum
the range of all possible frequencies of electromagnetic radiation
200
trough
What is the smallest point in a circle
200
period
the time needed for one complete circle of vibration to pass a givin point
200
diffraction
various phenomena which occur when a wave encounters an obstacle or a slit
200
standing wave
wave that remains in a constant position
300
crest
What is the point on the wave with the maximum value or upward displacement within a circle
300
Hertz
the unit of frequency in the international system of units
300
constructive interference
when two or more waves of the same frequency interfere
300
node
a point along a wave where the wave has minimum amplitude
400
amplitude
What is the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position.
400
medium
transmition tools used to to store and deliver information or data
400
destructive interference
interference of two waves with the same frequency and oppiste faze
400
antinode
the point of maximum amplitude between adjacent nodes
500
resting point
the work per unit charge necessary to move a charged body in an electric field from a reference point to another point measured in volts.
500
reflection
What is the change of direction of a wave front
500
compression
the application of balanced inward
500
harmonics
a component frequency of the signal that is an integer multiple