Physics · PDF
IB Physics data booklet
Physics formulas and constants. First assessment 2025.
Physics
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Physics tools by topic
27 resources. Choose a topic to narrow the list.
Error bars & acceptable lines
Check a line against measurement uncertainty bars.
Linearization & log plots
Transform data to test a linear model.
Repeated measurements & timing
Summarize repeated readings and timing uncertainty.
Instrument readings & zero error
Correct zero offsets and combine reading uncertainties.
Graph gradient, area & prediction
Find a graph gradient, signed area or interpolated value.
Agreement within uncertainty
Compare two values using their uncertainty intervals.
SI units & dimensional checks
Convert units and check dimensions.
Physical constants from gradients
Calculate a physical constant from a fitted gradient.
Percentage uncertainty
Express an absolute uncertainty as a percentage.
Absolute uncertainty
Convert a percentage uncertainty to an absolute uncertainty.
Uncertainty propagation
Combine uncertainties using school-lab rules.
Percentage error & difference
Compare measured and reference values.
Significant figures
Round a written number to significant figures.
Standard deviation & error
Find sample SD, population SD and standard error.
Linear regression
Fit a straight line to paired measurements.
Gradient uncertainty
Estimate uncertainty from maximum and minimum gradients.
Pendulum period
Find period or length for a small-angle pendulum.
Resistivity & resistance
Relate wire resistance, resistivity, length and area.
Mass–spring period
Find period, mass or spring constant for an ideal oscillator.
Capacitor discharge
Calculate voltage, time or time constant during RC discharge.
Snell’s law
Use Snell’s law to calculate refraction.
Motion graph segment
Analyse a velocity–time or position–time segment.
Paper 1B
Data-analysis and experimental-skills guide for IB Physics Paper 1B.
Experimental skills
Experimental skills, evaluation and data-quality guidance for Physics.
Paper 1B practice
Original Paper 1B-style data and experimental reasoning practice for Physics.
Past papers
Official specimen papers and past-paper access.
IB Physics data booklet
Physics formulas and constants. First assessment 2025.
Data booklets
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