A convex lens of power + 6D is placed in contact with a concave

power 4dCinema 4D is a professional 3D animation, modeling, simulation and rendering software solution. Fast, powerful, flexible, and stable, this powerful toolset makes 3D workflows more accessibleA convex lens of power + 6D is placed in contact with a concave lens of power – 4D. What is the nature and focal length of the combination. see full answer. Start JEE NEET Foundation