Two lenses of power –15 D and +5 D are in contact with each other. What will be the focal length of the combination? 

Two lenses of power –15 D and +5 D are in contact with each other. What will be the focal length of the combination? 

Anonymous User Physics Ray Optics 21 Apr, 2020 69 views

Answers ( 1 )

    answer

Post Your Answer

Related Questions