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S1.2 Technology Topic Practice

S1.2 Technology Topic Practice
IB Physics syllabusPhysics SL/HLFirst assessment 2025

Practise explaining how measurement technology turns physical information into usable data, with questions focusing on CCD output and digitisation steps.

Exam points

  • explain the CCD sequence from charge or p.d. at each pixel to a digital or binary output signal

Question B2(g)(b)(ii)

[Maximum number: 2]

This question is in two parts. Part 1 is about solar power and climate models. Part 2 is about digital storage of data.

A charge-coupled device (CCD) enables large amounts of photographic data to be captured and stored.

Outline how the image on a CCD is digitized.

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