MCQs on Ray Optics
MCQs on Ray Optics What is the distance between two convex lenses LA and LB with focal lengths FA and FB? FA+FB FA-FB FA FB Answer: (a) FA+FB If a medium has a critical angle for total internal reflection from…
MCQs on Ray Optics What is the distance between two convex lenses LA and LB with focal lengths FA and FB? FA+FB FA-FB FA FB Answer: (a) FA+FB If a medium has a critical angle for total internal reflection from…