The line emission spectrum of cerium is most intense at 419 nm. Given this information, which of the following statements is INCORRECT? Select one: O a Its wavelength is longer than gamma rays. Ob. It has a higher frequency than radiation with wavelength of 402 nm. Oc Itis visible to the eye. Od. It has the same speed in vacuum as red light (wavelength = 652 nm). Clear my choice

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