When light passes through a convex lens, it is refracted, meaning it is bent towards the center of the lens. The light then reflects off the lens, and is then focused at a single point on the other side of the lens. This is known as the focal point.
A light pass reflected in convex lens – ഒരു ലൈറ്റ് പാസ് കോൺവെക്സ് ലെൻസിൽ പ്രതിഫലിച്ചപ്പോൾ