لإضافةl: 17th September 2009 اضيف بواسطة:Semanoor15 المشاهدات: 93 تعليقات:0
Vector generated image of Magnifier:A magnifying glass (called a hand lens in laboratory contexts) is a convex lens which is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle.A magnifying glass works by creating a magnified virtual image of an...