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19 Cards in this Set

  • Front
  • Back
Longitudinal (compression) wave:
A wave in which the vibration of the medium is parallel to the direction the wave travels
Amplitude:
The maximum displacement of a medium from the rest position.
Rarefaction:
An area of longitudinal wave where the particles of the medium are spread out.
Compression:
An area of the longitudinal wave where the particles of the medium are close together.
Period:
The time required for one complete cycle of a periodic motion.
Frequency:
The number of complete cycles per unit time for a periodic motion.
Wave Velocity:
The rate at which a wave travels through a medium.
Wavelength:
The distance between a point on a wave and the same point on the next cycle of the wave.
Transverse Wave:
A wave that causes a medium to vibrate at right angles to the direction in which the wave travels.
Mechanical Wave:
A disturbance in matter that carries energy from one place to another.
Electromagnetic wave:
A transverse wave consisting of changing electric and changing magnetic fields.
Surface Wave:
A wave that travels along a surface separating the two media.
Medium:
The material through which a wave travels.
Reflection:
The interaction that occurs when a wave bounces off a surface that it cannot pass through.
Refraction:
The bending of a wave as it enters a new medium at an angle.
Wave interference:
The variation of wave amplitude that occurs when waves of the same or nearly the same frequency come together.
Constructive interference:
The interference among two or more waves in which displacements combine to produce a wave with a larger displacement.
Destructive Interference:
The interaction among two or more waves in which displacement combine to produce a wave with a smaller displacement.
Diffraction:
The bending of a wave as it moves around an obstacle or passes through a narrow opening.