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Question 19M.3.SL.TZ1.b

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.SL.TZ1.b
Level SL Paper 3 Time zone TZ1
Command term State Question number b Adapted from N/A
b.
[Maximum mark: 1]
19M.3.SL.TZ1.b

The diagram illustrates the sensitivity to sound frequencies, measured in Hz, of the different regions of the semicircular canal. The base is the region closest to the oval window.

[Source: © International Baccalaureate Organization 2019]

State the range of sound frequencies detected by the ear.

[1]

Markscheme

20 000 Hz «20 kHz» to 20 Hz ✔

Unit required. Allow 19 980 Hz.

Examiners report

The correct frequency range was given but the unit was often omitted.

Syllabus sections