# Shared Flashcard Set

## Details

waves
waves
15
Physics
03/04/2014

Term
 Sine curve
Definition
 The waveform traced by simple harmonic motion, which can be made visible on a moving coveyor belt by a pendulum swinging at right angles above the moving belt.
Term
 Amplitude
Definition
 for a wave or vibration, the maximum displacement on either side of the equilibrium (midpoint) position.
Term
 Wavelength
Definition
 the distance between successive crests, troughs, or identical parts of waves.
Term
 Frequency
Definition
 for a vibrating body or medium, the number of vibrations per unit time. For a wave, the number of crests that pass a particular point per unit time.
Term
 Hertz
Definition
 The SI unit of frequency. One hertz (symbol Hz) equals one vibration per second.
Term
 Period
Definition
 The time in which a vibration is completed. The period of a wave equals the period of the source, and is equal to 1 frequency.
Term
 Wave Speed
Definition
 The speed with which waves pass a particular point.
Term
 Transverse Wave
Definition
 Awave in which the medium vibrates in a direction perpindicular to the direction in which the wave travels. Light waves and water waves are transverse.
Term
 Longitudinal waves
Definition
 a wave in which the medium vibrates in a direction parallell (longitudinal) to the direction in which the wave travels. sound waves are longitudinal.
Term
 Interference pattern
Definition
 The pattern formed by superposition of different sets of waves that produces reinforcement in some places and cancellation in others
Term
 Standing wave
Definition
 a stationary wave pattern formed in a medium when two sets of identical waves pass through the medium in opposite directions.
Term
 Doppler effect
Definition
 the shift in recieved frequency due to motion of a vibrating source toward or away from a reciever.
Term
 Bow wave
Definition
 the V shaped disturbance created by an object moving across a liquid surface at a speed greater than the wave speed
Term
 Shock wave
Definition
 The cone shaped disturbance created by an object moving at supersonic speed through a fluid.
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