Two equi convex lenses of focal lengths 20 cm and 30 cm

Last updated: 6/13/2023

Two equi convex lenses of focal lengths 20 cm and 30 cm respectively are placed at a separation d with their principal axes coinciding An object placed at a distance u from the first lens forms an image at a distance v from the second lens Find the ratio V if it is observed that u and v have U r the same set of values for d 30 cm 60 cm 120 cm and 150 cm 1 2 B 2 3 Your Answer 2