Light of wavelength 400 nm strikes a certain metal which has a photoelectric work function of 2.13eV. Find out the maximum kinetic energy of the photoelectrons

Light of wavelength 2000Å is incident on a metal surface of work function 3.0 eV. Find the minimum and maximum kinetic energy of the photoelectrons.

Light of wavelength 5000 Å falls on a sensitive plate with photoelectric work function of 1.9 eV . The kinetic energy of the photoelectron emitted will be

A light of wavelength 600 nm is incident on a metal surface. When light of wavelength 400 nm is incident, the maximum kinetic energy of the emitted photoelectrons is doubled. The work function of the metals is

If the frequency of light in a photoelectric experiment is double then maximum kinetic energy of photoelectron

Ultraviolet light of wavelength 280 nm is used in an experiment on photoelectric effect with lithium ( varphi = 2.5 eV) cathode. Find (a) the maximum kinetic energy of the photoelectrons and (b) the stopping potential.

A light beam consists of two types of photons. In one type, each photon has the energy 2 eV and in another type, each photon has energy 3 eV. The light beam is incident on a photoelectric material of work function 1 eV. The maximum kinetic enregy of emitted photoelectron is

The photons from the Balmer series in Hydrogen spectrum having wavelength between 450 nm to 700 nm are incident on a metal surface of work function 2 eV Find the maximum kinetic energy of ejected electron (Given hc = 1242 eV nm)

Wavelengths belonging to Balmer series lying in the range of 450 nm to 750 nm were used to eject photoelectrons from a metal surface whose work function is 2.0 eV. Find ( in eV ) the maximum kinetic energy of the emitted photoelectrons. ("Take hc = 1242 eV nm.")

Light corresponding to the transition n = 4 to n = 2 in hydrogen atom falls on cesium metal (work function = 1.9 eV) Find the maximum kinetic energy of the photoelectrons emitted

If light of wavelength of maximum intensity emitted from surface at temperature T_(1) Is used to cause photoelectric emission from a metallic surface, the maximum kinetic energy of the emitted electron is 6 ev, which is 3 time the work function of the metallic surface. If light of wavelength of maximum intensity emitted from a surface at temperature T_(2) (T_(2)=2T_(1)) is used, the maximum kinetic energy of the photo electrons emitted is