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O-LevelPhysicsWaves5054/11 · Oct/Nov 2015 · Q221 Mark

A musical note is produced by two sources. The traces produced by each source on the screen of a cathode-ray oscilloscope (c.r.o.) are shown below. What is the difference between the sounds?

Diagram for this question, from the exam paper

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Athe amplitude
Bthe frequency
Cthe pitch
Dthe quality

✓ Correct answer

D: the quality

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About this question

Topic
Waves, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2015 Paper 1 Variant 1, question 22.

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