Physicseasy · Past Paper
Which of these frequencies represents ultrasound?
A15 Hz
B1500 Hz
C15000 Hz
D25000 Hz
✓ Correct Answer: D — 25000 Hz
Ultrasound consists of frequencies higher than the human audible limit of 20,000 Hz.
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✓ Correct Answer: D — 25000 Hz
Ultrasound consists of frequencies higher than the human audible limit of 20,000 Hz.
Share this question