a measure of its change over a single period
the reduction in volume (causing an increase in pressure)
each the top of (something such as a hill or wave).
the frequency or wavelength of their oscillations which determines their position in the electromagnetic spectrum
the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves)
a wave vibrating in the direction of propagation.
a wave that is an oscillation of matter, and therefore transfers energy through a medium
the intervening substance through which impressions are conveyed to the senses or a force acts on objects at a distance.
diminution in the density of something, especially air or a gas. MEDICINE
a wave vibrating at right angles to the direction of its propagation.
a channel used to convey a liquid.
The distance between adjacent peaks (or adjacent troughs) on a wave .
the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.
a disturbance that transfers energy from place to place
a material through wich a wave travels
a repeated back-and-forth or up-and down motion
waves that move the medium ina direction perpendicular, or at right angles, to the direction which it travels
the highest part of a wave
the lowest part of a wave
waves that move the particles of the medium parellel to the direction in which the waves are traveling
closer together parts of a wave
farther apart areas of a wave
the maxium distance the particles of the medium carrying the wave move away from their rest positions
the distance between two points on wave
the number of complete waves that pass a given point in a certain amount of time
how far the wave travels in given amount of time
an object hitting asurface through which it cannot pass and bounces back is
bending of waves due to the change in speed
a wave moving through an opening, causing it to bend and spread
when two waves meet
how fast an object moves
A wave in which the particles vibrate at right angles to the direction of wave
Part of the Em spectrum . Electromagnetic radiation
material that carries waves ; solid ,liquid and gas
A disturbance that transfers energy from place to place
A wave in which the particles move parallel to the path of the wave
waves caused by vibrations that are transmitted through matter. example of longitudinal
maximum displacement from rest position ; shows the amount of energy
the part of a longitudinal wave where the particles of the medium are close together
highest point of a wave
Lowest point of a wave
the time it takes for one cycle
the part of longitudinal wave where the particles of the medium are far apart
a change in the direction of a wave when the wave finds an obstacles or an edge , such as an opening
occurs when a wave bounces off a surface that it cannot pass through; upside down
a wave that require a medium to travel
the distance between one crest or trough of a wave and next
waves of energy traveling through rock
electromagnetic waves used for communication on computers , phones ,etc.
the number of complete waves that pass a given point in a certain amount of time
For waves on the surface of the ocean or lakes
This article is about the scalar physical quantity
a measurement that indicates the movement or vibration of something (such as a sound wave or a radio wave)
Frequency is the number of occurrences of a repeating event per unit time
In physics, the wavelength of a sinusoidal wave is the spatial period of the wave—the distance over which the wave's shape repeats,
the lowest turning point of a wave cycle
A crest is a point on the wave where the displacement of the medium is at a maximum.
A transverse wave is a moving wave that consists of oscillations occurring perpendicular to the direction of energy transfer.
Longitudinal waves, also known as "l waves", are waves in which the displacement of the medium is in the same direction as, or the opposite direction to, the direction of travel of the wave.
the point or place where something begins or is created
Infrared (IR) is invisible radiant energy,
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light.
Ultraviolet (UV) light is an electromagnetic radiation with a wavelength from 10 nm (30 PHz) to 380 nm (750 THz), shorter than that of visible light but longer than X-rays.
A gamma wave is a pattern of neural oscillation in humans with a frequency between 25 and 100 Hz, though 40 Hz is typical.
Visible light waves are the only electromagnetic waves we can see
Space void of matter.
is a form of electromagnetic radiation
a type of electromagnetic radiation, as are radio waves, ultraviolet radiation, X-rays and gamma-rays
pertaining to, or produced by electromagnetism.
A means of transferring energy from one point to another
Particles on the wave vibrate perpendicular to the direction that the wave is moving
Particles on these waves vibrate parallel to the direction that the wave is moving (through a series of compressions and rarefactions)
Require a medium to travel through (Ex: water waves and sound waves)
Do not require a medium (ex: light and radio waves)
The distance from a point on one wave to the identical point on the next wave (crest to crest)
The number of waves passing each second; it is measured in Hertz
Maximum displacement of a wave from the rest position or the size of the wave or how large the wave is
Waves will bounce off barriers an angle equal to the angle they strike the barrier
Bending of a wave as it passes at an angle into another medium
Bending of waves around barriers (this occurs to a greater degree with longer waves such as sound)
Waves add as they meet
The waves partly or completely cancel as they pass
Change in frequency is heard when the source of sound and the person receiving the sound are in relative motion
material through which a wave travels
Unit of measurement for frequency
a disturbance that travels through a medium as a longitudinal wave
perception of the frequency of sound
The high point of a wave.
The low point of a wave
A disturbance of particles that transports energy without moving matter.
The distance of one crest of a wave to another.
The top point of a wave.
The bottom of a wave.
Depends on the type of medium the wave travels through.
The distance of a wave from its resting position.
Moves energy through matter.
A wave that moves perpendicular to the direction it's going.
A wave that moves parallel to the direction it is going.
The number of times a wave passes a certain point a second.
The change in direction of a wave passing from one medium to another caused by its change in speed.
A region in a longitudinal wave where the particles are closest together.
A region in a longitudinal wave where the particles are furthest apart.
The perception on how high or low a sound is.
A wave that requires a medium through which to travel
A wave that moves the medium in a direction prependicular to the direction in which the wave travels
A wave that moves a medium in a direction parallel to the direction in which the wave travels
The highest part of a transverse wave
The part of a longitudinal wave where the particles of the medium are close together
The part of a longitudinal wave wheree the particles of the medium are far apart
The number of complete waves that pass a givin point in a certian amount of time
The lowest part of a transverse wave
The distance between two corresponding parts of a wave
Electromagnetic waves with the longest wavelenghts and lowest frequencies
Radio waves with the shortest wavelenghts and the highest frequenies
Electromagnetic waves with the wavelenghts shorter than radio waves but longer than visible light
Electromagnetic waves that are visible to the human eye
Electromagnetic waves with the wavelenghts shorter tahn visible light ,but longer than X-rays
Electromagnetic waves with wavelenghts shorter than ultraviolet rays, but longer than gamma rays
Electromagnetic waves with the shortestwavelenghts and highest frequencies
Transverse wave that transfer electrical and magnetic energy
The change in frequency of awave as its source move in relation to an observer
The material through which a wave travels
An image that shows regions of different temperatures in different colors
a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
a physical environment in which phenomena occur
a wave in which the particles of the medium move perpendicularly to the direction the wave is traveling
a wave vibrating in the direction of propagation
the maximum extent of a vibration or oscillation, measured from the position of equilibrium
the number of waves produced in a certain amount of time
the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave
the speed at which a wave travels
the throwing back by a body or surface of light, heat, or sound without absorbing it
change in direction of propagation of any wave as a result of its traveling at different speeds at different points along the wave front
the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced
when two waves meet in such a way that their crests line up together
when the crest of one wave meets the trough of another, and the result is a lower total amplitude
a sound or series of sounds caused by the reflection of sound waves from a surface back to the listener
the action of compressing or being compressed
diminution in the density of something, especially air or a gas
reach the top of (something such as a hill or wave)
the lowest point the medium sinks to
a wave that is an oscillation of matter, and therefore transfers energy through a medium.
synchronized oscillations of electric and magnetic fields that propagate at the speed of light through a vacuum
is a lens that possesses at least one surface that curves inwards
involve the transport of energy without the transport of matte
s a wave that is an oscillation of matter, and therefore transfers energy through a medium.
oscillates perpendicular to the axis along which the wave travels
is a region in a longitudinal wave where the particles are closest together.
hat are propagated by simultaneous periodic variations of electric and magnetic field intensity
the maximum extent of a vibration or oscillation, measured from the position of equilibrium.
distance between one peak or crest of a wave and the next peak or crest.
common unit of frequency is the hertz (Hz), corresponding to one crest per second.
The change in direction of a wave, such as a light or sound wave, away from a boundary the wave encounters.
typically accompanied by interference between the wave forms produced.
he process in which two or more light, sound, or electromagnetic waves of the same frequency combine to reinforce or cancel each other
is the characteristic of a sound that is primarily a psycho-physiological correlate of physical strength (amplitude).
a sound is determined by the rate of vibration, or frequency, of the sound wave.
a sound or series of sounds caused by the reflection of sound waves from a surface back to the listener.
an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other
a typical example: "the science or art of ordering tones or sounds in succession, in combination, and in temporal relationships
which a system oscillates when not subjected to a continuous or repeated external force.
ncrease in amplitude of oscillation of an electric
ncrease in amplitude of oscillation of an electric
that is a part of the harmonic series above a fundamental note and may be heard with it.
series above a fundamental note and may be heard with it.
prolongaprolongation of a sound; resonance.
vibrates in response to sound waves; the tympanic membrane.
one of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity
energy that travels by waves or particles, particularly electromagnetic radiation such as heat or x-rays.
an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication
light rays which are longer than light but shorter than radio waves. Electromagnetic radiation with a wavelength between
a form of electromagnetic (EM) radiation, as are radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves.
in the part of the electromagnetic spectrum where wavelengths are just shorter than those of ordinary, visible violet light but longer than those of x-rays.
stream of such photons used for their penetrating power in radiography, radiology, radiotherapy, and scientific research.
penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.
a high-frequency electromagnetic wave modulated in amplitude or frequency to convey a signal.
system of satellites, computers, and receivers that is able to determine the latitude and longitude of a receiver on Earth by calculating the time difference for signals from different satellites to reach the receiver.
he range of wavelengths or frequencies over which electromagnetic radiation extends.
the range of wavelengths
a traveling disturbance that carries energy through matter and space
a repeated back and forth movement of matter; often necessary to produce waves
a substance or matter through which a wave travels
a type of wave in which particles move across or perpendicular to the direction the wave is traveling
a type of wave in which particles of the medium vibrate back and forth
the distance between a wave's resting point and its trough or crest
the distance between any two adjacent (side by side) wave crests or and two adjacent wave
the number of complete waves that pass a point in a certain time period
occurs when a wave bounces back after striking something
occurs when a wave passes from one medium into another and changes direction
waves that use matter to move or transfer energy
waves that move through empty space (Vacuum) or use matter to transfer energy
is the bending of waves around a barrier or object
the ability for two waves to combine and make a new wave when they overlap
wave interface that forms a larger wave when two wave amplitudes overlap
wave interference that can form a smaller wave or cancel each other out when two wave amplitudes meet
A wave that is an oscillation of matter, and therefore transfers energy through a medium.
The materials or empty space through which signals, waves or forces pass
A comb or tuft of feathers, fur, or skin on the head of a bird or other animal
waves of the electromagnetic field, propagating (radiating) through space carrying electromagnetic radiant energy
The time needed for one complete cycle of vibration to pass a given point
A wave vibrating at right angles to the direction of its propagation
The rate at which something occurs or is repeated over a particular period of time or in a given sample
An increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other
The throwing back by a body or surface of light, heat, or sound without absorbing it
A particle representing a quantum of light or other electromagnetic radiation
The process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge
Change in direction of propagation of any wave as a result of its traveling at different speeds at different points along the wave front
The quality of being intense
A wave of compression and rarefaction
The quality of a sound governed by the rate of vibrations producing it
Sound waves with frequencies below the lower limit of human audibility
Sound or other vibrations having an ultrasonic frequency
A system for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects