# Measuring Waves

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• Created on: 11-10-15 23:35
Define the term 'displacement'
The direction/magnitude to which the wave has moved from its undisturbed position (How far above or below the x-axis
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Displacement has both a direction and a magnitude therefore it is a ...quantity
vector
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What is the symbol for displacement?
X
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What is displacement measured in?
metres
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Define Amplitude
The distance at which the wave has been displace/measurement from crest to x-axis or trough to x-axix
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What is Amplitude's unit of measurement?
Metres
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What is the symbol for amplitude?
A
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Define Wavelengh
The distance from one complete oscillation to the next/from crest to crest/from trough to trough
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What is wavelength measured in?
metres
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What is the symbol for wavelength?
(upside down Y)
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Define the term Period
The amount of time it takes for one whole complete wave cycle
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What is the period measured in?
Seconds
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What is the symbol for Period?
T
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Define frequency
The amount of complete wave cycles that pass through a point or are transmitted by a source per second
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What is frequency measured in?
Herz
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What is the symbol for frequency?
f
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Define Phase
The measurement of the position of a certain point along the wave cycle
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Define Phase Difference
The amount by which on wave lags behind another wave
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Give two ways in which you can measure phase difference
With angles(degrees and radians), in fractions of a cycle
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Give the formula relating frequency to time period
f=1/T
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## Other cards in this set

### Card 2

#### Front

Displacement has both a direction and a magnitude therefore it is a ...quantity

vector

### Card 3

#### Front

What is the symbol for displacement?

### Card 4

#### Front

What is displacement measured in?

Define Amplitude