Question

The retina of the human eye retains image only up to

• A. $\frac{1}{100}s$
• B. $\frac{1}{50}s$
• C. $\frac{1}{20}s$
• D. none of these

Answer 1

The correct option is D

none of these

Explanation

1. Even after the object is removed, the image generated on the retina does not fade away instantly, but its impression remains on the retina for around seconds
2. For around $\frac{1}{16}s$, an image remains on the retina.
3. Persistence of vision is the term for this characteristic.
4. As a result, when a series of static images are exhibited in succession, the illusion of movement is created.
5. This characteristic of the human eye is used to create movies and animation.

Hence, the correct answer is option (D) , none of the above