Question

Which element is used in the development of photographic films and printing of images?
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Answer 1

Answer:

Explanation:

Photographic film is a strip or sheet of transparent plastic film base coated on one side with a gelatin emulsion containing microscopically small light-sensitive silver halide crystals. The sizes and other characteristics of the crystals determine the sensitivity, contrast, and resolution of the film.

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Answer 2

Common chemicals used as developing agents are hydroquinone, phenidone, and dimezone. The developing mix must have high acidity, so chemicals such as sodium carbonate or sodium hydroxide are often added to the mix