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waves Flashcards

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1
Q

Displacement (wave) definition

waves

A

distance in a specified direction from its equilibrium position of a particle on a wave

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2
Q

Waves definition

waves

A

a vibration or disturbance that transfers energy with no transferring of any physical matter

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3
Q

Amplitude (wave) definition

waves

A

magnitude of the maximum displacement from its equilibrium position of a particle on a wave

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4
Q

Period definition

waves

A

time taken for a particle in the wave to complete one oscillation

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5
Q

Frequency definition

waves

A

number of oscillations completed by each particle of the wave per unit time

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6
Q

Phase Difference definition

waves

A

between two waves
the measure of the fraction of a cycle that one wave (or one particle) is moving out of step with the other

between two particles along one wave
the measure of the fraction of a cycle that one particle is moving out of step with the other

(use the correct definition based on the context)

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7
Q

Wavelength (lamda) definition

waves

A

distance between 2 points on a progressive wave which are oscillating in phase

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8
Q

Wave Speed definition

waves

A

distance travelled by the wave per unit time

(wave speed is a constant value and is NOT the speed of the individual oscillating particles that are constantly changing their speeds.)

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9
Q

Types of waves

waves

A
  • progressive waves
  • transverse waves
  • longitudanal waves
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10
Q

Progressive Waves definition

waves

A
  • energy transfer in the direction of wave propagation by the oscillation of the particles in the medium
  • the waveform appears to be moving although the particles in the medium do not get transported along the wave
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11
Q

Transverse Waves definition

waves

A
  • waves that travel perpendicular to wave propagation
  • the plane of oscillations of the particles in the medium are at right angles to the direction of wave propagation
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12
Q

Longitudanal Waves definition

waves

A
  • waves that travel parallel to wave propagation
  • particles in the medium oscillate along an axis parallel to the direction of wave propagation
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13
Q

Intensity definition

waves

A

power per unit area transferred across an area perpendicular to the direction of energy transfer

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14
Q

Unpolarised Transverse Waves definition

waves

A

a wave where the oscillations are in all directions in a plane normal to the direction of energy transfer

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15
Q

Plane-Polarised Transverse Waves definition

waves

A

a wave where the oscillations are confined to one direction in a plane normal to the direction of energy transfer

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physics (20 decks)

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