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Speed of Sound Quiz

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Questions and Answers

What is the speed of sound in air at 20 °C?

767 miles per hour
331 metres per second
1,481 metres per second
343 metres per second (correct)

In which medium does sound travel fastest?

Gases
Solids (correct)
Vaccuum
Liquids

What is the speed of sound in water?

343 metres per second
331 metres per second
1,481 metres per second
5,120 metres per second (correct)

What does the speed of sound depend on in an ideal gas?

<p>Temperature and composition (A)</p> Signup and view all the answers

How does the speed of sound vary from substance to substance?

<p>Slowest in gases, faster in liquids, and fastest in solids (A)</p> Signup and view all the answers

Flashcards

Speed of sound in air at 20 °C?

343 metres per second

Medium where sound travels fastest?

Solids

Speed of sound in water?

5,120 metres per second

Speed of sound in an ideal gas depends on?

Temperature and composition

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How speed of sound varies by substance?

Slowest in gases, faster in liquids, and fastest in solids

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Study Notes

What is the speed of sound in air at 20 °C? In which medium does sound travel fastest? What is the speed of sound in water? What does the speed of sound depend on in an ideal gas? How does the speed of sound vary from substance to substance?

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