Edexcel IGCSE Physics 3 29p Loudness and Amplitude Questions
Practise connecting loudness with amplitude by comparing oscilloscope traces and drawing wave changes for quieter or louder sounds.
- Syllabus
- First assessment 2019
- Course
- Physics 4PH1
Exam points
- draw a quieter sound on an oscilloscope screen with a smaller amplitude
- distinguish amplitude changes from frequency changes when modifying a sound trace
Edexcel IGCSE Physics 3 29p Loudness and Amplitude Questions question 1
This question is about sound waves.
An oscilloscope can be used to display a sound wave.
The diagram shows the trace on an oscilloscope screen when a sound wave is detected.
On the screen, draw the trace for a quieter sound wave with a lower frequency.
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