Exam-style question
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What is the effect of sound amplitude on the eardrum's vibration?.
- A.Higher amplitude causes less vibration
- B.Higher amplitude causes more vibration
- C.Amplitude has no effect on vibration
- D.Vibration is only affected by frequency
Model answer
What a good answer should say
- Higher amplitude causes more vibration
Explanation
Why this works
The amplitude of sound waves affects the intensity of vibrations in the eardrum; greater amplitude results in more vigorous vibrations, which are interpreted as louder sounds by the brain.
Common mistake
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