Two lines appear to be a different length, though in reality they are the same length. This is known as the illusion. Group of answer choices

Group of answer choices were omitted and they are A. Ménière B. Merkel C. Müller-Lyer D. Meissner.

The Muller-Lyer illusion--- C

Explanation:

The Muller-Lyer illusion created by Franz Carl Muller-Lyer in 1889, a German psychologist  is an optical illusion in which two lines having the same length appear to be different  in lengths. This illusion is created because the lines have arrow heads at the end making the orientation of the arrowheads on the lines prevent one from accurately detecting the length of the  lines .

 Müller-Lyer illusion have helped many  Neuro-scientists study and understand how the human  brain visualize and  interpret images