Answer: The answer is D: can be viewed on a screen.
Compared to a virtual image, a real image can be viewed on a screen.
Explanation:
A real image refers to an image that is formed when there is a meeting point between rays of light coming from an object after reflection. An example is the image seen on the cinema screen.
A virtual image refers to an image that is formed when there is no actual meeting point between rays of light coming from an object but they appear to meet when produced backwards. An example is the image seen in the mirror when standing in front of the mirror.
