Ok-1 Optical Illusions

Aim

To demonstrate an optical illusion that depends upon retention of image for its effect.

Apparatus

  • Double ring
  • Turntable

Optical Illusion

Optical Illusion Apparatus.

Description

The optical illusion comprises two rings tilted with respect to each other and joined at a common point. When the rings are placed upon the turntable and given a modest rotation speed it appears that the rings are in rotation with respect to each other.

Video