Answered

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What is the frequency of light (in per seconds) that has a wavelength of 670 nm? ​

Sagot :

Answer:

[tex]f=4.47\times 10^{14}\ Hz[/tex]

Explanation:

Given that,

The wavelength of light, [tex]\lambda=670\ nm=670\times 10^{-9}\ m[/tex]

We need to find the frequency of the light. The relation between the frequency and wavelength is given by :

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

The speed of light is equal to c.

So,

[tex]f=\dfrac{c}{\lambda}\\\\f=\dfrac{3\times 10^8}{670\times 10^{-9}}\\\\f=4.47\times 10^{14}\ Hz[/tex]

So, the frequency of light is equal to [tex]4.47\times 10^{14}\ Hz[/tex].

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