Speed of Sound (Grade 10 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Through which type of medium does sound travel the fastest?
Through which type of medium does sound travel the fastest?
Solids
Why does sound travel fastest through solids?
Why does sound travel fastest through solids?
Particles are closest together
How does increasing temperature affect the speed of sound?
How does increasing temperature affect the speed of sound?
Increases speed
What is the speed of sound in air at sea level at 21°C?
What is the speed of sound in air at sea level at 21°C?
344 m·s⁻¹
When measuring sound speed, when should you start the stopwatch?
When measuring sound speed, when should you start the stopwatch?
When you see the sound produced
What is required to hear an echo?
What is required to hear an echo?
Large hard surface far enough away
What does SONAR stand for?
What does SONAR stand for?
Sound Navigation And Ranging
Why must you divide time by 2 in SONAR calculations?
Why must you divide time by 2 in SONAR calculations?
Sound travels down and back
How does higher pressure affect sound speed in gases?
How does higher pressure affect sound speed in gases?
Increases speed
Which animals use echolocation?
Which animals use echolocation?
Dolphins and bats