Brewster's angle (tan iB = n2/n1)
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tan iB = n2/n1
What each symbol means
| Symbol | What it stands for |
|---|---|
| i_B | Brewster’s angle (polarising angle) (deg or rad) |
| n_1 | Refractive index of first medium |
| n_2 | Refractive index of second medium |
When to use this
Standard JEE / NCERT assumptions unless stated (paraxial, thin lens, coherent YDSE sources, etc.).