Ts Eamcet
Ray Optics
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ+1 / -02022
A lens is made of glass having an index of refraction 1.5 . One side of the lens is flat and the other side is convex with a radius $R$. If an object is placed 60 cm , towards the convex side of the lens, the image is formed at
120 cm on the other side of the lens. The value of $R$ is