Lateral magnification (mirror) (m = −v/u)
jee-mainjee-advancedneet-ug
m = −v/u
What each symbol means
| Symbol | What it stands for |
|---|---|
| m | Lateral magnification (linear, signed) |
| u | Object distance from pole (m) |
| v | Image distance from pole (m) |
When to use this
Standard JEE / NCERT assumptions unless stated (paraxial, thin lens, coherent YDSE sources, etc.).