Wavelength of a 1 keV photon is \[1.24\times {{10}^{-9}}m\]. What is t – McqOptions

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1.	Wavelength of a 1 keV photon is \[1.24\times {{10}^{-9}}m\]. What is the frequency of 1 MeV photon
A.	\[1.24\times {{10}^{15}}Hz\]
B.	\[2.4\times {{10}^{20}}Hz\]
C.	\[1.24\times {{10}^{18}}Hz\]
D.	\[2.4\times {{10}^{23}}Hz\]
Answer» C. \[1.24\times {{10}^{18}}Hz\]

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