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CAIE IGCSE Physics 3.4.3 Approximate Range of Frequencies Questions

Practise using the human audible frequency range to judge whether sounds fall within normal hearing or outside it, then compare human limits with animal hearing and ultrasound.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • State the normal human audible range as approximately 20 Hz to 20 kHz, compare frequencies with this range, compare human and animal hearing, and identify ultrasound above 20 kHz.

CAIE IGCSE Physics 3.4.3 Approximate Range of Frequencies Questions question 1

[Maximum number: 1]

A healthy human ear is able to hear a range of frequencies.
What is this approximate range?

A

10 Hz to 1000 Hz

B

20 Hz to 2000 Hz

C

20 Hz to 20000 Hz

D

200 Hz to 200000 Hz

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