Properties of Sound Flashcards

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1
Q

A reflected sound wave would be an…

A

Echo

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2
Q

Pitch is the…

A

Perception of the frequency of a sound. It describes about how high or low the sound seems to a person.

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3
Q

High Frequency =
Low Frequency =

A
  1. High Pitch
  2. Low Pitch
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4
Q

Loudness is…

A

How loud or soft a sound is perceived to be.

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5
Q

What is loudness affected by and what is it measured in?

A

It is affected by amplitude and measured in decibels (dB).

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6
Q

Both formulas for v (speed of sound in air)

A

Distance / Time
d/t

Wavelength / Period
lambda/T

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7
Q

Echoes are used for…

A

Navigation, Radar, Sonar

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8
Q

Vibrate slowly = Low/High Pitch
Vibrate quickly = Low/High Pitch

A
  1. Low pitch
  2. High Pitch
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9
Q

String Tightened = Low/High Pitch
String Loosened = Low/High Pitch

A
  1. High Pitch
  2. Low Pitch
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10
Q

Thick String = Low/High Pitch
Thin String = Low/High Pitch

A
  1. Low Pitch
  2. High Pitch
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11
Q

Long String Vibrate = Low/High Pitch
Short String Vibrate = Low/High Pitch

A
  1. Low Pitch
  2. High Pitch
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12
Q

Loudness is characterized by

A

High volume and intensity.

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13
Q

The larger the amplitude of the wave on the trace, the…

A

Louder the sound.

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14
Q

The bigger the waves you can see, the…

A

Louder the sound.

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15
Q
A
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