A photon interacts with a ground state electron in a hydrogen atom and is absorbed. The electron is ejected from the atom and exhibits a de Broglie wavelength of 4.548 x 10^-10m. Determine the frequency (in hz) of the interacting photon.

i got 1.45691908531e-24 but it is wrong :(

Question

A photon interacts with a ground state electron in a hydrogen atom and is absorbed. The electron is ejected from the atom and exhibits a de Broglie wavelength of 4.548 x 10^-10m. Determine the frequency (in hz) of the interacting photon.
 
i got 1.45691908531e-24 but it is wrong :(

aaronq · Answer

frequency = speed of light/wavelength

frequency =(3x10^8 m/s)/0.00000000045 m