Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 32 - Ray Optics > Let fv and fr are the focal lengths of a convex lens for violet and red lights respectively. If Fv and Fr are the focal lengths of a concave lens for violet and red light respectively, then

Let fv and fr are the focal lengths of a convex lens for violet and red lights respectively. If Fv and Fr are the focal lengths of a concave lens for violet and red light respectively, then

Let fv and fr are the focal lengths of a convex lens for violet and red lights respectively. If Fv and Fr are the focal lengths of a concave lens for violet and red light respectively then