Low-frequency red light is used in dark rooms because it does not expose the film. This is because the red light has a low

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Johnny Nichols

Physics

25 September, 12:31

Low-frequency red light is used in dark rooms because it does not expose the film. This is because the red light has a low

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Cadence Mann · Answer 1

Red light is used in dark rooms because it falls within the visible region of the spectrum and it is known to have the longest wavelengths, this causes it to have low frequency as well as low energy. In turn, all this means that it will not affect the photo during he process of development.