The power of a lens is +4D. What is the nature of lens

power 4dWin a 4D lottery winning numbers has never been easier and is not based on luck. It's all about math, manipulation, statistic and hardworking study on how to win. Our 4D predictionTo find the effective power of a combination of a convex lens and a concave lens, we can follow these steps: 1. Identify the Powers of the Lenses : - The power of the convex lens (P1) is given