10.11 - What you have learnt
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Practice Questions
Test your understanding with targeted questions
What is sound produced by?
💡 Hint: Think about strings or drums.
Name one medium through which sound can travel.
💡 Hint: What do we breathe?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unit of frequency?
💡 Hint: Think about how many times an object vibrates.
True or False: Sound can travel in a vacuum.
💡 Hint: Remember how sound needs air to reach your ears.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A tuning fork vibrates at a frequency of 440 Hz. How many times will it vibrate in 5 seconds?
💡 Hint: Multiply the frequency by the time.
A sound wave has an amplitude of 4 units. If the amplitude is doubled, what happens to the loudness?
💡 Hint: Consider how changing the amplitude affects sound perception.
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