A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct?

Options

A. The wavelength of X-ray photon is less than the wavelength of visible radiation photon.
B. Both the photons have different energies.
C. The speeds of both the photons in vacuum are different.
D. The frequency of X-ray photon is higher than the frequency of visible radiation photon.