Question
Can You Please Explain the Cartesian method for mirror and Lens?
Joshi sir comment
Cartesian method is the method of sign convention
Sign Convention for Spherical Mirrors and Thin Lenses
Spherical Mirrors Lenses
Focal Length - for concave mirrors + for a converging lens
+ for convex mirrors - for a diverging lens
Object Distance - real object - real object
+ virtual object + virtual object
Image Distance - real image + real image
+ virtual image - virtual image
Magnification + for erect image + for erect image
- for inverted image - for inverted image