We compare and contrast concave and convex lenses by drawing ray diagrams. In this Closer Look segment on Lenses, we compare and contrast concave and convex lenses by drawing ray diagrams and ...

A convex lens corrects long-sightedness ... Calculate the magnification of the image in your ray diagram. Show your working out clearly Is the image real or virtual? Explain your answer State ...

Day 3: Light - Reflection Revise the laws of reflection and ray diagrams for plane mirrors. Study spherical mirrors: concave and convex (focal length, uses). Solve ray-diagram problems and ...