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IB Physics SL S1.1.2 Measurement Variables Questions

Plan SL measurements by identifying required variables, avoiding parallax and placement errors, and selecting accurate readings for a calculation.

Syllabus
First assessment 2025
Course
Physics SL
Level
SL

Exam points

  • Measure required variables with suitable precision.

IB Physics SL S1.1.2 Measurement Variables Questions question 1

[Maximum number: 1]

The density of a metal sphere is determined using a digital caliper and a mass balance.

The digital caliper is used to measure the diameter D of the sphere by placing the sphere in the jaws of the digital caliper. This reading is shown.

The sphere is then removed and another reading is taken immediately afterwards with the jaws closed.

Figure for Question IB Physics SL S1.1.2 Measurement Variables Questions question 1 — IB Physics SL
Figure for Question IB Physics SL S1.1.2 Measurement Variables Questions question 1 — IB Physics SL

Calculate D.

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