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Cambridge IGCSE. 2025. Physics (0625). May/June - Paper 2 (22) · Multiple Choice (Extended) - Question 25

Cambridge IGCSE · Paper 2 (22) · Multiple Choice (Extended)

Question 25

A dolphin has a range of audible frequencies of 150 Hz–150 kHz.

Which range of frequencies can be heard both by humans with good hearing and by dolphins?
  1. 20 Hz–150 Hz
  2. 20 Hz–150 kHz
  3. 20 kHz–150 kHz
  4. 150 Hz–20 kHz
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