Ts Eamcet
Ray Optics
TG EAPCET 2024 (Online) 11th May Morning Shift
MCQ+1 / -02024
When the object and the screen are 90 cm apart, it is observed that a clear image is formed on the screen when a convex lens is placed at two positions separated by 30 cm between the object and the screen. The focal length of the lens is