Advertisements
Advertisements
Question
Write an Explanation.
Principal focus
Definition
Explain
Advertisements
Solution
Rays travelling parallel to the principal axis of a lens, after refraction, converge to a point on the principal axis or diverge in such a way that they appear to be coming out of a point on the principal axis. This point is called the principal focus of the lens.
shaalaa.com
Is there an error in this question or solution?
