Practice - Standing Waves and Resonance
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Practice Questions
Test your understanding with targeted questions
Define a standing wave.
💡 Hint: Think about how waves interact with each other.
What is a node in a standing wave?
💡 Hint: Consider where the wave stays still.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for the wavelength of the nth harmonic on a string fixed at both ends?
💡 Hint: Remember the relationship between wavelength and harmonic number.
Resonance leads to large amplitudes when?
💡 Hint: Consider what happens at natural frequencies.
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Challenge Problems
Push your limits with advanced challenges
A string of length 3 m produces its fundamental frequency of resonance at 120 Hz. What is the speed of waves on this string?
💡 Hint: Remember to rearrange the fundamental frequency formula accordingly.
A closed-open tube has a fundamental frequency of 350 Hz. What will the fundamental wavelength be if the speed of sound in air is 350 m/s?
💡 Hint: Consider the ratio of wave speed to frequency.
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Reference links
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