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In each of the following cases, write down the oxidation number of the indicated atom.
a. P in P4
b. C in C2H6
c. S in H2SO4
d. Mn in MnO4-
e. S in S4O62-
f. P in Na3PO4
Critical Flicker Fusion
The frequency at which an intermittent light stimulus appears to be completely steady to the average human observer.
16 Fps
A frame rate of 16 frames per second, commonly used in early silent films to create motion.
24 Fps
The standard frame rate for cinema, making up the number of individual frames or images displayed per second in a film.
Persistence of Vision
This is the phenomenon where the human eye retains an image for a brief moment after its source has been removed, foundational to the illusion of motion in film.
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