What is the number of photons of light with a wavelength of 4000 pm that provide 1 J of energy?

Calculate the energy of a photon in a light of wavelength 5000overset@ A.

Find energy of each of the photons which have wavelength of 0.50 A.

_______ is the wavelength of photon of energy 35 ke V.

Find the wave number of a photon having energy of 2.072 eV.

If the energy of a photon corresponding to a wavelength of 6000 Å is 3.2 xx 10^(-19) J , the photon energy for a wavelength of 4000 Å will be

Calculate the momentum and Energy of a photon of wavelength 4000overset@ A .

Calculate the energy associated with a photon of wavelength 4000 overset@ A

An electron and a photon each have a wavelength of 1.00 nm. Find their momenta .