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Cambridge Secondary (7-9). Stage 9. MCE Science. Student Book - Unit 11: Sound - Question 45

Cambridge Secondary (7-9) · Unit 11: Sound

Question 45

Tick (✓) the correct answer to each question.
What does frequency measure in a sound wave?
  1. The amplitude of the sound wave
  2. The speed at which the sound wave travels
  3. The number of cycles the sound wave completes per second
  4. The volume of the sound
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