Jun 8, 2025
Experiment: Determination of Focal Length of a) Convex Lens b) Concave Mirror by Obtaining the Image of a Distant Object
Focal length of a convex lens & Concave Mirror: a). Focal length of a convex lens: Objective: To determine the focal length of a convex lens using a distant object (like a sun, tree or tall faraway building). Principle: A convex lens converges parallel rays of light (from a distant object) to a point called principal focus (F). The distance between the optic centre (O) of the lens and the…