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Dragons9-14

Vocabulary-14

QuestionAnswer
A periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium is called wave
A physical environment in which phenomena occur is called medium
A wave that requires a medium through which to travel is called mechanical wave
A wave that consists of oscillating electric and magnetic fields, which radiate outward at the speed of light is called electromagnetic wave
A wave in which the particles of the medium move perpendicular to the direction the wave is traveling is called transverse wave
A wave in which the particles of the medium vibrate parallel to the direction of wave motion is called longitudinal wave
The highest point of a wave is called the crest
The lowest point of a wave is called the trough
The maximum distance that the particles of a wave's medium vibrate from their rest position is called the amplitude
The distance from any point on a wave to an identical point on the next wave is called the wavelength
The time that it takes a complete cycle or wave oscillation to occur is a period
The number of cycles or vibrations per unit of time is frequency
An observed change in frequency of a wave when the source or observer is moving is doppler effect
The bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through is reflection
A change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening is diffraction
The bending of wavefront as the wavefront passes between two substances in which the speed of the wave differs is called refraction
The combination of two or more waves of the same frequency that results in a single wavelength is interference
Any interference in which waves combine so that the resulting wave is smaller than the largest of the original waves is destructive interference
The pattern of vibration that simulates a wave that is standing still is standing wave
Created by: JAnderson,PCHS
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