GCSE Physics

Sound Test Answer

You said "A is quieter than B, and lower in pitch".
Here are the waves again:

Sound A
Sound B

You were not quite right!

Sound A is actually louder than sound B, because its waves have a larger amplitude, meaning they carry more energy.

However, you were right that sound A is lower in pitch than B, as there are fewer waves in a given time (meaning it is lower in frequency).

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