a convex lens of power 4d is placed at a distance of 40cm

power 4dWith our 4DX PowerPoint template, you'll receive all the integral information about the four discips and a wide selection of templates to introduce the 4DX in your company. PresentTo 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