Exam-style question
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What is the relationship between sound amplitude and perceived loudness?.
- A.Loudness increases linearly with amplitude
- B.Loudness decreases with increasing amplitude
- C.Loudness increases logarithmically with amplitude
- D.Loudness is independent of amplitude
Model answer
What a good answer should say
- Loudness increases logarithmically with amplitude
Explanation
Why this works
The perceived loudness of sound increases logarithmically with amplitude, which is why we use the decibel scale to measure sound intensity. This reflects how our ears perceive changes in sound levels.
Common mistake
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