A water purification system uses electromagnetic energy to kill bacteria. Which region of the spectrum is being utilised for this function?

Question

A water purification system uses electromagnetic energy to kill bacteria. Which region of the spectrum is being utilised for this function? — Exam MCQ

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D. Ultraviolet part of the spectrum — The correct choice is Ultraviolet part of the spectrum. The relationship between wave speed, frequency and wavelength explains the result.

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A. Infrared part of the spectrum

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B. Visible part of the spectrum

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C. Gamma part of the spectrum

A water purification system uses electromagnetic energy to kill bacteria. Which region of the spectrum is being utilised for this function?

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