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Question 27

Some large animals, such as elephants, communicate using infrasound.

What is a typical frequency range for these infrasound waves?

A

0.1 Hz−20 Hz0.1\text{ Hz} - 20\text{ Hz}0.1 Hz−20 Hz

B

20 Hz−2000 Hz20\text{ Hz} - 2000\text{ Hz}20 Hz−2000 Hz

C

2 kHz−20 kHz2\text{ kHz} - 20\text{ kHz}2 kHz−20 kHz

D

20 kHz−120 kHz20\text{ kHz} - 120\text{ kHz}20 kHz−120 kHz

Markscheme

Sound Questions

  1. IGCSE
  2. /Physics
  3. /Sound

295 exam-style questions on CIE IGCSE Physics Sound, covering Sound. Each one has a worked solution and a mark scheme showing where the marks go.

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