Which phenomenon of vision is used in cinematography ?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question:**
The question asks about the phenomenon of vision that is utilized in cinematography. We need to identify which specific visual phenomenon is responsible for the way we perceive motion in films.

2. **Identifying the Phenomenon:**
The key phenomenon related to vision in cinematography is called "persistence of vision." This is the ability of the human eye and brain to retain an image for a brief period after the source has disappeared.

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