Frequency of photon having energy 66 eV is

The frequency of a photon , having energy 100 eV is ( h = 6.610^(-34) J - sec)

Calculate the frequency of a photon, having energy 41.25 eV. (h=6.6xx10^(-34) Js) .

Find the momentum and frequency of a photon of energy 2.4 eV .

Calculate the wavelength of photon having energy 5eV.

Find frequency of a photon of energy 3.3 eV?

Light of two different frequencies whose photons have energies 1eV and 2.5 eV respectively illuminate a metallic surface whose work function is 0.5 eV successively. Ratio of maximum kinetic energy of emitted electrons will be:

Lights of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate successively a metal surface whose work function is 0.6 eV. The ratio of the maximum speeds of the emitted electrons will have

The momentum of a photon with energy 20 eV is