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Answer : The frequency of a photon of radiation is,
Explanation : Given,
Wavelength of the radiation = 670.8 nm
First we have to convert wavelength form 'nm' to 'm'.
Conversion used :
So, the wavelength of the radiation = 670.8 nm =
Now we have to calculate the frequency of a photon of radiation.
Formula used :
where,
= frequency of a photon of radiation
= wavelength of the radiation
c = speed of light =
Now put all the given values in the above formula, we get the frequency of a photon of radiation.
Therefore, the frequency of a photon of radiation is,
Hey there.
By adding up all the "exponents," you'll get a number of 19. By looking at a periodic table, the element of such an atomic number is potassium or K.