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Question 19M.3.HL.TZ2.bii

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.HL.TZ2.bii
Level HL Paper 3 Time zone TZ2
Command term Estimate Question number bii Adapted from N/A
bii.
[Maximum mark: 1]
19M.3.HL.TZ2.bii

The graph shows a received signal incident upon a transducer to produce an A-scan. The density of the soft tissue being examined is approximately 1090 kg m-3.

Estimate, using data from the graph, the depth of the organ represented by the dashed line.

[1]

Markscheme

4.5 × 10−2 «m»✔

Examiners report

Many candidates did not seem to know how to start answering the question. The factor of two was often omitted when finding the depth of the organ in the A scan.

Syllabus sections