A-LevelPhysicsSuperpositionMay/June 2021Paper 1 Q261 Mark
A pipe of length L is open at one end and closed at the other end. A loudspeaker is at the open end and emits a sound wave into the pipe. [Figure 26.1] When a stationary wave is formed, there is an antinode at the open end of the pipe. Which wavelength of sound could be used to produce a stationary wave?
A2L / 3
BL
C4L / 3
D2L
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The correct answer is C. This question tests the candidate's understanding of superposition within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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