A parallel beam of rays is incident on a converging lens with focal length

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

Problem

A parallel beam of rays is incident on a converging lens with focal length 40 cm40\ \text{cm}. Where should a diverging lens with focal length 15 cm15\ \text{cm} be placed so that the rays remain parallel after passing through both lenses?

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