mwalters1683 mwalters1683
  • 18-09-2021
  • Chemistry
contestada

calculate the frequency in hertz of electromagnetic radiation that has a wavelength of 685.0 nm.

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Аноним Аноним
  • 18-09-2021
  • Wavelength($\lambda$)=685nm

[tex]\\ \sf\bull\longmapsto \lambda=\dfrac{c}{v}[/tex]

[tex]\\ \sf\bull\longmapsto v=\dfrac{c}{\lambda}[/tex]

[tex]\\ \sf\bull\longmapsto v=\dfrac{3\times 10^8}{685\times 10^{-9}m}[/tex]

[tex]\\ \sf\bull\longmapsto v=0.00437\times 10^{17}Hz[/tex]

[tex]\\ \sf\bull\longmapsto v=4.3\times 10^{14}Hz[/tex]

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