Bi-Concave Lenses | Geometry of Image formation | get better score in exam.

Bi--Concave Lenses | Geometry of Image formation | get better score in exam. Fundamentals & basics. Easy learning. Illustrated animations. These videos use visual learning technique, which are compilation of knowledge that already exists all over the internet; I compiled all those theories, concepts, definitions, laws, equations, interpretations, etc., so the viewers can save their time watching these. So,……… relax, sit down and watch my videos, learn by heart and go to the exams with your heads high. No worries. geometry of image formation, lens, concave, convex, light beam, focus, converging, diverging, real image, virtual image, positive meniscus, negative meniscus, bi-convex, bi-concave, plano-convex, plano-concave, optical center, incident ray, emergent ray, refraction, center of curvature, mirror, reflection, Find me on TeacherTube: https://www.teachertube.com/user/channel/anjanasen