Respuesta :

Answer:

1.92402 kilohertz

Explanation:

hope this helps

Answer:

• From wave equation :

[tex]{ \rm{v = f \lambda}}[/tex]

  • v is velocity, v = 3.0 × 10^8 m/s
  • f is frequency
  • lambda is the wavelength

[tex]{ \rm{3.0 \times {10}^{8} = (1.89 \times {10}^{18}) \times \lambda}} \\ \\ { \rm{ \lambda = \frac{3.0 \times {10}^{8} }{1.89 \times {10}^{18} } }} \\ \\ { \boxed{ \rm{ \: \lambda = 1.587 \times {10}^{ - 10} \: }}}[/tex]

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