Ray Optics and Optical Instruments (2nd PUC) — quick quiz

5 real KCET questions on Ray Optics and Optical Instruments (2nd PUC). Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 1

MEDIUM

A convex lens of focal length 20 cm forms an image at a distance of 60 cm from the lens. The object distance is