Focal length of spherical mirror (f = R/2)
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f = R/2
What each symbol means
| Symbol | What it stands for |
|---|---|
| R | Radius of curvature of mirror (m) |
| f | Focal length of spherical mirror (m) |
When to use this
Standard JEE / NCERT assumptions unless stated (paraxial, thin lens, coherent YDSE sources, etc.).