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Paper 2
Waves
Properties of Sound (HT only) (physics only)
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Created by
Ruby Wain
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Cards (21)
What is the relationship between frequency and pitch of sound?
Frequency
relates
to
the
pitch
of
sound
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How does high frequency affect sound waves?
High frequency sound waves have high
pitch
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How does low frequency affect sound waves?
Low frequency sound waves have low
pitch
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What is the relationship between amplitude and sound volume?
Amplitude
relates
to the volume of sound
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How does high amplitude affect sound waves?
High amplitude sound waves are
loud
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How does low amplitude affect sound waves?
Low amplitude
sound waves
are
quiet
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What do oscilloscopes trace in sound waves?
Peak heights
Peak-to-peak distances
Show sound characteristics
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What does Trace One on an oscilloscope represent?
Peak heights
, half unit,
quiet sound
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What does Trace Two on an oscilloscope represent?
Peak heights
, one unit,
loud sound
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What does Trace Three on an oscilloscope represent?
Peak heights
, one unit,
high pitch
sound
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What are the properties of sound discussed?
Frequency
relates to
pitch
Amplitude
relates to volume
Oscilloscope
traces sound characteristics
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What is the term for the height of sound waves?
Amplitude
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What is the term for the number of sound waves per second?
Frequency
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What is the term for the perceived highness or lowness of a sound?
Pitch
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What is the relationship between sound amplitude and loudness?
Higher amplitude means
louder
sound
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What does a loud sound wave look like on an oscilloscope?
It has high
amplitude
peaks
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What does a quiet sound wave look like on an oscilloscope?
It has low
amplitude
peaks
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What does a high pitch sound wave look like on an oscilloscope?
It has closely spaced
peaks
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What does a low pitch sound wave look like on an oscilloscope?
It has widely spaced
peaks
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What is the significance of the peak-to-peak distance on an oscilloscope?
It indicates the
frequency
of sound
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What does the term "refractions" refer to in sound?
Refractions
relate
to
sound
wave
behavior
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