A biconvex lens with focal length f in air and refractive index of 1.5 is floating on the surface
of a deep pond of water (refractive index 1.33). If an object is placed at a height of 2 f vertically
above the lens, then the distance between the lens and the image is
A biconvex lens with focal length f in air and refractive index of 1.5 is floating on the surface
of a deep pond of water (refractive index 1.33). If an object is placed at a height of 2 f vertically
above the lens, then the distance between the lens and the image is
of a deep pond of water (refractive index 1.33). If an object is placed at a height of 2 f vertically
above the lens, then the distance between the lens and the image is










