Rotate a polarizer; record I(θ) and fit I versus cos²θ. The slope is I₀ in arbitrary units.
Verify linearity of I vs cos²θ and read I₀ from the fit.
Malus: transmitted intensity I = I₀ cos²θ. Plot I vs c = cos²θ, slope = I₀.
I₀ from fit matches the model.
| № | θ (deg) | cos²θ | I (a.u.) | |
|---|---|---|---|---|
| No measurements yet — take your first reading. | ||||
Opens the system print dialog — choose “Save as PDF” or your printer. Header and footer are hidden when printing.
One click opens the print dialog — choose “Save as PDF”.
Generated: 27 Apr 2026, 02:36
Verify linearity of I vs cos²θ and read I₀ from the fit.
| # | θ (deg) | cos²θ | I (a.u.) |
|---|---|---|---|
| No measurements yet — take your first reading. | |||
Add at least 2 measurements to compute the fit.
I₀ from fit matches the model.
PhysSandbox virtual lab — values come from your session; add your own discussion of error sources.