BRAINCAKELogarithmic Graphs
Logarithms turn power-law and exponential relationships into straight-line graphs of the form y = mx + c. Here lg means log to base 10 and ln means log to base e.
Power law, y = kxn: take lg of both sides.
lg y = n lg x + lg k
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More in Measurements and Uncertainties
- Combining Uncertainties
- Uncertainties from Repeated Readings
- Plotting Graphs
- Error Bars
- Best-fit and Worst-fit Lines
- Uncertainty in a Gradient and Intercept
- Straight-line Graphs y = mx + c
- Estimating Physical Quantities
All 12 lessons in Measurements and Uncertainties · All OCR AS-level Physics topics