CBSE/11.png CBSE/12.png CBSE/13.png CBSE/15.png CBSE/2.png CBSE/3.png CBSE/5.png CBSE/CBSE.oMr { "Version": "1.0", "NaMe": "MyTeMplate", "Pages": [ { "Height": 3295, "Width": 2551, "EleMents": [ { ......content=M color=white &block ?block= column=2...concave lens of focal length -50 m B. convex lens of focal length...