A-LevelPhysicsSuperpositionMay/June 2023Paper 1 Q261 Mark
The sound from a loudspeaker placed above a tube causes resonance of the air in the tube. A stationary wave is formed with two nodes and two antinodes, as shown. [Figure 26.1] The tube has height 60 cm. The speed of sound in the air is 340 m s⁻¹. What is the frequency of the sound?
A430 Hz
B570 Hz
C850 Hz
D1700 Hz
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The correct answer is A. This question tests the candidate's understanding of superposition within the Physicssyllabus. The examiner's mark scheme requires...
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