IGCSEScienceCambridge (CIE)Combined SciencePhysicsExam Questions3. WavesSound

Sound (Cambridge (CIE) IGCSE Combined Science: Physics): Exam Questions

Exam code: 0653

1 min1 question
1
1 mark

What is the frequency range of ultrasound?

  • all frequencies between 20 Hz and 20 kHz

  • all frequencies higher than 20 kHz

  • all frequencies lower than 20 Hz

  • all frequencies lower than 20 Hz and all frequencies higher than 20 kHz

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