Energy, Force, Matter > Waves > Flashcards

Waves Flashcards

(18 cards)

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1
Q

What is a wave?

A
  • A wave is a transfer of energy from one place to another due to oscillations.
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2
Q

What is a transverse wave?

A
  • Transverse wave: oscillation of particles is perpendicular to direction of energy transfer.
  • particles move up and down*
  • Energy transferred from left to right*
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3
Q

What is a longitudinal wave?

A
  • Longitudinal wave: oscillation of particles is parallel to direction of energy transfer.
  • particles move left to right and back*
  • Energy is transferred from left to right*
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4
Q

What is a mechanical wave?

A
  • Mechanical wave:

A wave that requires a medium (eg. particle’s vibrations) to travel through.

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5
Q

What is the “peak” on a wave?

A
  • Highest point above undisturbed position.
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6
Q

What is the “trough” of the wave?

A
  • Lowest point below undisturbed position.
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7
Q

What is the “amplitude” of a wave?

A
  • Maximum displacement of point from undisturbed position, measured in metres.
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8
Q

What is the “wavelength” of a wave?

A
  • Tranverse: Distance from one point of wave to equivalent point on next, measured in metres.
  • Longitudinal: Distance from one compression or rarefaction to another.
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9
Q

What is the area of “compression” in a longitudinal wave

A
  • Where particles are close together.
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10
Q

What is the area of “rarefaction” in a longitudinal wave?

A
  • Where particles are spaced out.
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11
Q

What is displacement on wave?

A
  • Displacement from undisturbed position.
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12
Q

What is distance on wave?

A
  • The distance of the static image of the wave.
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13
Q

Give 4 examples of tranverse waves.

A
  • Electromagnetic wave
  • Waves on a rope
  • Ripples on water
  • S-waves
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14
Q

Give 3 examples of longitudinal waves.

A
  • Waves on slinky (if pushed in direction of energy transfer.)
  • Sound
    P- waves
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15
Q

What is the undisturbed position?

A
  • Where the particles aren’t moving and have no effects of the wave.
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16
Q

What happens to the particles in waves?

Study These Flashcards
A
  • The matter never moves from one point to the next.

- It is the transfer of energy

17
Q

What type of wave is light?

Study These Flashcards
A
  • Light is a tranverse wave
18
Q

What type of wave is sound?

Study These Flashcards
A
  • Sound is a longitudinal wave.
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