defferetciate between virtual image and real image
Virtual Image
1- They cannot be formed on screen.
2- They are formed by divergent rays.
3- They can be produced by all kinds of mirrors and lenses but often they are produced by plane mirrors, convex mirrors and concave lens.
Real Image
1- Image that can be obtained on screen.
2- They are formed by converging rays.
3- They are produced by convex lens and concave mirrors