DP Physics (last assessment 2024)

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Question 19N.3.SL.TZ0.a

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Date November 2019 Marks available [Maximum mark: 2] Reference code 19N.3.SL.TZ0.a
Level SL Paper 3 Time zone TZ0
Command term Describe Question number a Adapted from N/A
a.
[Maximum mark: 2]
19N.3.SL.TZ0.a

Communication signals are transmitted over long distances through optic fibres.

Describe why a higher data transfer rate is possible in optic fibres than in twisted pair cables.

[2]

Markscheme

fibres have broader bandwidth than cables ✔
therefore can carry multiple signals simultaneously ✔

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