Gauridongre

Elements in the periodic table are broadly classified into metals and non-metals based on their physical and chemical properties. Metals are typically shiny, conductive, and malleable, while non-metals are generally dull, insulating, and brittle.

A convex lens is an optical lens that is thicker in the center and thinner at the edges. Because it curves outward, it bends incoming parallel light rays inward—or converges them—to a single focal point, making it highly effective for magnification and image formation.