Find the effectiveness of a photon of energy 5 eV.

Find frequency of a photon of energy 3.3 eV?

Find frequency of a photon of energy 3.3 eV?

What is the wavelength of a photon of energy 1 eV?

What is the wavelength of a photon of energy 1 eV?

Calculate the wavelength of a photon of energy 10 eV.

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

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

In a photoelectric effect experiment , photons of energy 5 eV are incident on metal surface . They liberate electrons which are just stopped by an electrode at a potential of 3.5 V with respect to metal . The work function of the metal surface in eV is :