JEE Main 202524 Jan, Morning shiftPhysicsEasyOptics190× since 2002What is the relative decrease in focal length of a lens for an increase in optical power by 0.1D from 2.5D? ['D' stands for dioptre]AOption A. 0.1BOption B. 0.01COption C. 0.04DOption D. 0.40CheckSkip · show solution
