Question

What is Second Principal Focus?

Answer

Second Principal Focus - The position of an image point on the principal axis of the lens, for which the object is situated at infinity.

Related Topicसंबंधित विषय

Ray Optics
Principal Focus

Subscribe to our youtube channel!

Staying up to date on Question/Notes related to General knowledge, current affairs and are useful in Academic and Government Exams. More than 8000 video on our channel.