Respuesta :

loneguy

Answer:

[tex]6.5646\times 10^{16}~ \text{Hz}[/tex]

Explanation:

[tex]\text{Frequency,}~ f= \dfrac{c}{\lambda} = \dfrac{3\times 10^8 }{4.57 \times 10^{-9}} = 6.5646\times 10^{16}~ \text{Hz}[/tex]

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