Ultrasound close ultrasoundSound with a frequency greater than 20,000 Hz (20 kHz). waves have a frequency higher than the upper limit for human hearing – above 20,000 Hertz (Hz). Different species of ...
The questions in this quiz are suitable for GCSE physics students who are studying sound waves, ultrasound and seismic waves. If you struggled with the quiz, don't panic - we've got you! You can ...
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