Question and Answer
Q1. The distance between the Optical Center and Point of Convergence is called Focal Length in which of the following cases?
Answer: c
Explanation: (c) Parallel Rays after Refracting meet at the Focus of a Convex Lens.
Q1. The distance between the Optical Center and Point of Convergence is called Focal Length in which of the following cases?
Answer: c
Explanation: (c) Parallel Rays after Refracting meet at the Focus of a Convex Lens.