Section 1
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Which type of wave contains compressions and rarefactions?
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Section 1
(50 cards)
Which type of wave contains compressions and rarefactions?
-Longitudinal
The units for frequency
hertz
Energy
-Is the ability to do work.
Longitudinal
a wave in which the particles of the medium are displaced in a direction parallel to the direction of energy transport. (side to side)
In what kind of wave do particles move up and down perpendicular to the direction of wave travel?
transverse wave
The highest point on a transverse wave
crest
What term describes the maximum displacement of a particle in a wave?
amplitude
What do waves carry through matter or space?
energy
Compresssion
an area of high pressure of a wave
A region of increased pressure in a longitudinal wave
compression
Frequency
-How many waves can pass a given point per second, measured in Hertz (Hz)
Trough
the opposite of a crest, so the minimum or lowest point in a cycle.
The lowest point on a transverse wave
trough
What kind of wave can travel through empty space?
electromagnetic wave
Waves travel in the same direction as amplitude.
longitudinal waves
Mechanical Waves
waves that require a medium through which to travel
What type of wave moves parallel to the wave energy?
-Longitudinal
Vibration
-A repeated back-and-forth or up-and-down motion
Which type of waves require a medium?
-Mechanical
What is the relationship between the period and the frequency of a wave?
They are the inverse of one another.
What is a Wave?
-A disturbance that travels from one place to another transporting energy, but not necessarily matter, along with it.
A region of decreased pressure in a longitudinal wave
rarefaction
Wavelength
the distance between 2 crests or 2 troughs of a wave, especially points in a sound wave or electromagnetic wave.
Which type of wave does not require a medium?
-electromagnetic
Crest
-Highest point of a wave
The distance between any two successive parts of a wave
wavelength
Name two types of mechanical waves.
-transverse and longitudinal
Compression
-The part of a longitudinal wave where the particles of the medium are close together.
Amplitude
-Maximum distance a wave varies from its rest position
The matter through which a wave travels.
medium
Dividing how far a wave travels by the time it takes to travel that distance gives the wave's ________________
velocity
Waves travel at a 90 degree angle to amplitude.
transverse waves
Transverse
wave in which the particles of the medium are displaced in a direction perpendicular to the direction of energy transport. (up and down) .
Which type of wave moves in an up and down motion?
-Transverse
The bending of a wave as it passes from one medium to another
refraction
The increase in amplitude when two waves meet is called
constructive interference
Rarefactions
-The part of a longitudinal wave where the particles of the medium are farther apart.
The decrease in amplitude when two waves meet is called
destructive interference
Trough
-Lowest point of a wave.
What are 3 types of mediums a mechanical wave can travel through?
-Solids, liquids, and gasses
Waves bouncing off of a surface
reflection
The rate at which a repeating event occurs
frequency
Crest
a point on the wave where the displacement of the medium is at a maximum.
What is a medium
-It is the material through which a wave travels.
Wavelength
-The distance from two corresponding (or the same) parts of a wave.
The speed of any wave can be found by multiplying its frequency by its __________________
wavelength
What is the main difference between mechanical and electromagnetic waves?
Mechanical waves must have a medium to transport them, and electromagnetic waves can move through a vacuum.
Amplitude
The maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position. It is equal to one-half the length of the vibration path.
The maximum displacement of a wave from its position of rest is its
amplitude
What is used to measure wavelength in a longitudinal wave?
The distance between two adjacent compressions AND the distance between two adjacent rarefactions.
Section 2
(9 cards)