Mar 24, 2026Learn the mirror formula for spherical mirrors: 1/f = 1/v + 1/u, relating focal length, image distance, and object distance for concave and convex mirrors.

Mar 20, 2026Learn about the mirror formula, its derivation, and applications in optics. Solve image formation problems easily.

Mar 1, 2026Learn how to find the angular width of a first order spectrum using the diffraction grating formula.