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| Q. |
Persistance of vision is the principle behind – |
| A. | Camera |
| B. | Spectroscope |
| C. | Cinema |
| D. | Periscope |
| Answer» C. Cinema | |
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Explanation: Persistence of vision is the phenomenon of the eye by which an afterimage is thought to persist for approximately one twenty-fifth of a second \ on the retina. Persistence of vision is still the accepted term for this phenomenon in the realm of cinema history and theory. |
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