gema9250 gema9250
  • 26-05-2020
  • Physics
contestada

A light wave has a wavelength of 450 nanometers. What is the frequency of this light?

Respuesta :

PhantomWisdom PhantomWisdom
  • 31-05-2020

Answer:

Frequency, [tex]f=6.67\times 10^{14}\ Hz[/tex]

Explanation:

Wavelength of a light wave is 450 nm. It is required to find the frequency of this light wave. The speed of light is given by c. So,

[tex]c=f\lambda[/tex]

f is the frequency of this light

[tex]f=\dfrac{c}{\lambda}\\\\f=\dfrac{3\times 10^8}{450\times 10^{-9}}\\\\f=6.67\times 10^{14}\ Hz[/tex]

So, the frequency of this light is [tex]6.67\times 10^{14}\ Hz[/tex].

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