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Physics > Waves > Flashcards

Waves Flashcards

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1
Q

Waves transfer…

A

Energy from one place to another but don’t transfer any matter

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2
Q

How do waves travel from one place to another

A

They vibrate or oscillate

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3
Q

What is the very top of a wave called

A

Crest

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4
Q

Distance (for waves)

A

How far the wave has travelled from its starting point

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5
Q

Displacement (for waves)

A

How far from the equilibrium point the wave has oscillated

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6
Q

Wavelength

A

Distance of one entire oscillation

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7
Q

How to calculate frequency

A

F=1/T

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8
Q

What is frequency

A

Number of complete oscillations per second

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9
Q

Calculate time

A

T=1/f

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10
Q

Time period ?

A

Time it takes for a complete oscillation

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11
Q

Trough?

A

Very bottom of wave

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12
Q

How to calculate wave speed (v)

A

V=fm

M(wavelengths) usually measured in lambada symbols

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13
Q

Transverse

A

Oscillation are perpendicular to the direction of energy transfer

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14
Q

Examples of transverse waves

A

Electromagnets
Waves of strings (guitar)
Light
Radio
Ripples/waves

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15
Q

Examples of longitudinal waves

A

Sound
Seismic p waves

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16
Q

Longitudinal waves?

A

Oscillation that are parallel to the direction of energy transfer

17
Q

Waves can transfer energy through..

A

Solids
Liquids
Gases
Empty spaces (vacuums)

18
Q

How often something happens =

A

Frequency

19
Q

Frequency measurement

A

Hertz

20
Q

Frequency symbol

A

F

21
Q

When something happens repeatedly the event is…

A

Periodic

22
Q

Wavelength?

A

The distance between a point on a wave and the same point on the next wave

23
Q

Wavelength symbol

A

λ
Lambda

24
Q

Wavelength measurements

A

Metres

25
Q

Amplitude?

A

Distance from the max disturbance to the undisturbed position

26
Q

Amplitude?

A

Distance from the max disturbance to the undisturbed position

Physics (31 decks)

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