Identify which art theory is demonstrated by this painting
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I'm fairly certain that Imitationalism is the theory you are looking for.

Explanation:

Imitationalism focuses on mimicking and representing real life. In a successful piece of art, the textures, light, shadows, human proportions, and perspective are all highly realistic, as if you could reach out and touch them.

Hope this helps!

this shot is an example of a movie still, or screenshot. movie stills are done by a photographer while the movie is being filmed with cameras. the stills are used for advertising in posters, websites, newspapers, and magazines.

homophonic or a tonal