An optical system consists of two converging lenses with focal lengths and

PHYSICS · Subjective · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

An optical system consists of two converging lenses with focal lengths

f_1=20\ \mathrm{cm}

and

f_2=10\ \mathrm{cm}

. The distance between the lenses is

d=30\ \mathrm{cm}

. An object is placed

30\ \mathrm{cm}

from the first lens. At what distance from the second lens will the image be obtained?