In Your Textbook Is an Illusion That Consists of Two

Multiple Choice

In your textbook is an illusion that consists of two white lines placed across railroad tracks that converge in the distance.Although the two white lines are equal in length,the upper line will look longer because it appears to be farther away than the lower line.This illusion is called the

A) Ponzo illusion.
B) Fraser's spiral.
C) Poggendorff illusion.
D) Herring illusion.