Final answer:
The correct answer to the question is A) Thaumotrope. A thaumotrope is a popular Victorian device used for optical illusions.
Step-by-step explanation:
The correct answer to the question is A) Thaumotrope.
A thaumotrope is a popular Victorian device used for optical illusions. It consists of two images or designs on either side of a small disc or card. The disc has strings attached to it, allowing the user to spin the disc quickly, resulting in the perception of a combined image.
For example, one side of the disc can have an image of a bird, while the other side can have an image of a cage. When spun, the bird and cage appear to be merged together, creating the illusion of a bird inside a cage.