The diagram shows a graph of the sound wave given out by a tuning fork.
Draw graphs to show:
1. Louder sound of the same pitch.
2. Sound of the same loudness but greater pitch.
3. Sound that is louder and also has greater pitch.
[3 marks]
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Solution
(1) Louder sound of the same pitch:
(1 mark)
(2) Sound of the same loudness but greater pitch:
(1 mark)
(3) The sound that is louder and also has a greater pitch: