A material whose `K` -absorption edge is `0.2 Å` is irradiated by X-ray of wavelength `3644 Å` , find the maximum energy of the photoelectrons that are emitted from the `K` shell.

A material whose K -absorption edge is 0.2 Å is irradiated by X-ray of wavelength 0.15 Å , find the maximum energy of the photoelectrons that are emitted from the K shell.

Work function for a metal is 1.77 eV and the wavelength of an incident ray on that metal is 5893 Å . Determine the maximum kinetic energy of the photoelectrons emitted from that metal.

The photoelectric threshold for some material is 200 nm. The material is irradiated with radiations of wavelength 40 nm. The maximum kinetic energy of the emitted photoelectrons is

The photoelectric threshold for some material is 200 nm. The material is irradiated with radiations of wavelength 40 nm. The maximum kinetic energy of the emitted photoelectrons is

In an experiment tungsten cathode which has a threshold wavelength 2300 Å is irradiated by ultraviolet light of wavelength 1800 Å . Calculate (a) maximum energy of emitted photoelectronos & (b) work function of the tungsten

UV light of wavelength 1800Å is incident on a lithium surface whose threshold wavelength 4965Å . Determine the maximum energy of the electron emitted.

The photoelectric threshold for a certain metal surface is 3600 Å. If themeal surface is irradiated by a wavelength of 1100 Å, the kinetic energy of the emitted photoelectrons is

The threshold wavelength of tungsten is 2300 Å. If ultra voilet light of wavelength 1800 Å is incident on it, then the maximum kinetic energy of photoelectrons would be

Light of wavelength 4000 Å is incident on a metal surface. The maximum kinetic energy of emitted photoelectron is 2 eV. What is the work function of the metal surface ?