To demonstrate ,you need a retinal image that does not change its size and a projected image that does change its size.
A)Wundt's law
B)Emmert's law
C)autostereoscopy

Question

Quizplus · Accepted Answer

Emmert's law states that the size of a retinal afterimage is perceived to be proportional to the distance from the eye, as long as the size of the afterimage on the retina is constant. Therefore, to demonstrate this law, we need a retinal image that does not change its size (such as an afterimage) and a projected image that does change its size. Autostereoscopy is not relevant to this law, and Wundt's law is concerned with the relationship between the size of a stimulus and the perceived intensity or magnitude of sensation, rather than distance perception.

To Demonstrate ,You Need a Retinal Image That Does Not