News

Derivations, formulas, ray diagrams, and important concepts from ray optics and optical instruments are vital for scoring high marks in Class 12 Physics. We understand that it is difficult for ...
Day 3: Light - Reflection Revise the laws of reflection and ray diagrams for plane mirrors. Study spherical mirrors: concave and convex (focal length, uses). Solve ray-diagram problems and ...
In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.
In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.