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IB Physics HL S2.2.2 Processing and Interpreting Data Questions

Process HL physics data with graphs and relationships, interpreting attenuation, proportionality, trends and departures from theoretical predictions.

Syllabus
First assessment 2025
Course
Physics HL
Level
HL

Exam points

  • Process experimental and observational data using comparisons, trends, ratios and graph relationships to assess theoretical predictions.
  • Use graph and tabulated data to estimate quantities, calculate values with appropriate precision, and interpret uncertainty or attenuation evidence.
  • Evaluate hypotheses from data and communicate conclusions by identifying proportionality, best-fit behaviour, gradients or intercepts.

IB Physics HL S2.2.2 Processing and Interpreting Data Questions question 1

[Maximum number: 2]

A student determines the resistivity ρ\rho of a metal that is in the form of a cylindrical wire. The student makes the following measurements:

 Length L of the wire =(462±2)mm\text { Length } L \text { of the wire }=(462 \pm 2) \mathrm{mm}
Readings for the diameter d of the wire:

Readings for the diameter d of the wire:

 Resistance R of the wire =13.7Ω±1.5%\text { Resistance } R \text { of the wire }=13.7 \Omega \pm 1.5 \%

Show that the mean diameter of the wire is about 0.2 mm .

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