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Blanch181 Blanch181
  • 04-08-2015
  • Physics
Answered

What is the frequency of X-rays of 10 nm wavelength? 6 x 1016 Hz 3 x 1016 Hz 3.00 Hz 6 x 108 Hz

Verified Answer :

AL2006
AL2006 AL2006
  • 05-08-2015


The frequency of any wave is  (wave speed) / (wavelength) .

The speed of light is  3 x 10⁸ m/s.
If the wavelength is 10 nm (10⁻⁸ m) , then the frequency is

                         (3 x 10⁸) / (10⁻⁸)  =  3 x 10¹⁶ Hz

That's 30 million gigahertz !

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