Activity 1. Modified True or False
Direction: Read the statements below and write True if the statement is correct and if false,
change the underlined word or group of words to make the statement correct.
1. Concave lens is a lens that bulges out at the center and is thinner at the
edges.
2. Principal focus is a line passing through the optical center and is
perpendicular to its lens' axis.
3. Convex lens causes parallel light rays to refract and meet at the virtual
focal point.
4. In a convex lens, the refracted light rays meet at the real focus,
5. The parallel beam of light passes through the concave lens, then the
refracted light rays meet at the virtual focus​