light of wavelength 500nm is incident on a metal work function 2.28 ev .the de brogli wavelength of emiited e

Q. A light of wavelength 400 nm is incident on a metal with a work function 2.28 eV. The de-broglie wavelength of the emitted electron is:

Q. Light of wavelength $500nm$ is incident on a metal with a work function $2.28eV$. The de Borglie wavelength of the emitted electron is:

Q. A light of wavelength 400 nm is incident on a metal with a work function 2.28 eV. The de-broglie wavelength of the emitted electron is:

Q. Light of wavelength $500nm$ is incident on a metal with a work function of $2.28eV$. The de borglie wavelength of the emitted electron is

Q. A photon of wavelength 200 $nm$ is incident on metal of work function $\varphi =3eV$, then K.E of emitted photon may have value