⚛️ Unit III: NATURAL PHENOMENA
Mirror Formula
Description: Relation between focal length, object distance, and image distance
Lens Formula
Description: Relation for spherical lenses
Magnification
Description: Ratio of image height to object height
Power of a Lens
Description: Measure of divergence or convergence of lens (Dioptres)
Refractive Index
Description: Speed of light in vacuum to speed in medium
Chapter “Human Eye and Colourful World” has no formulae yet. Content is being prepared.