The image which is formed on screen is
called real image. And the image that can be formed on a plain mirror is
called virtual image. real and virtual images are not the same. The
virtual image cannot be formed on scree whereas the real image can. The
virtual image can be formed on mirror but it will not remain there
forever. It will only be present.Real-It can be formed on the screen .Light rays actually meet after refraction .Virtual-It cannot be formed on screen .Light rays do not meet after refraction .