Abarrett15991 Abarrett15991

21-01-2024
Physics

contestada

What is the wavelength (in nm) of the red light emitted by a neon sign that has a frequency of 474THz (1 THz = 10¹²Hz)?
(a) 142 nm
(b) 158 nm
(c) 466 nm
(d) 632 nm
(e) 704 nm

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