Define principal curvature, Gaussian curvature, and mean curvat... | Filo

Define the Following Terms in the Context of Spherical Mirrors :(I) Pole(Ii) Centre of Curvature(Iii) Radius of Curvature(Iv) Principal Axis - Science | Shaalaa.com

Explain the following terms : Pole, Centre of curvature, Radius of curvature, Principal axis. Show them on separate diagrams for each of the concave and convex mirrors - Physics | Shaalaa.com

Ronny Bakous on Instagram: "🌟 A silent oval awakens with a single breath of motion. From the rightmost vertex, a rainbow filament ignites; each color a normal, each normal a center, each center a seed of turning. As the point glides counterclockwise, these seeds do not drift apart; they converge in harmonic obedience, stitching a four-cusped diamond of light within the elliptic void. This is no mere animation; it is the evolute unfolding in real time, the hidden geometry every ellipse carries i