Perceptual research indicates that:
A) some illusions, such as a bent chopstick in a glass filled with water, are simply a matter of physics.
B) binocular cues help us estimate the distance of objects that are very far away.
C) cues to depth require the use of both eyes.
D) the smaller an object's image on the retina, the closer the object appears to be.

Question

Quizplus · Accepted Answer

Some illusions, like the bent chopstick in water, are indeed based on physical principles, specifically the refraction of light as it passes from one medium (water) to another (air), which distorts the appearance of objects submerged in or viewed through the water. This is not a perceptual trick of the brain but a physical effect.

Perceptual Research Indicates That