A photon of wavelength `4x10^-7` m strikes a metal surface work function of the metal is 2.13eV calculate
the kinetic energy of the emitted photoelectrons in eV

A photon of wavelength 4x10^-7 m strikes a metal surface work function of the metal is 2.13eV calculate the velocity of photoelectrons in ms^-1

A photon of wavelength 4xx10^(-7)m strikes on metal surface, the work function of the metal being 2.13 eV. Calculate (1) the energy of the photon (eV). (2) The kinetic energy of the emission.

A photoelectric source is illuminated successively by monochromatic light of wavelenth lamda and (lamda)/(2) . Calculate the work function of material of the source if the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case.

Einstein's equation for photoelectric effect is E_("max") = hf - W_(0) , where h = Planck's constant = 6.625 xx 10^(-34) J.s, f = frequency of light incident on metal surface, W_(0) = work function of metal and E_("max") = maximum kinetic energy of the emitted photoelectrons. It is evident that if the frequency f is less than a minimum value f_(0) or if the wavelength lamda is greater than a maximum value lamda_(0) , the value of E_("max") would be negative, which is impossible. Thus for a particular metal surface f_(0) is the threshold frequency and lamda_(0) is the threshold wavelength for photoelectric emssion to take place. Again if the collector plate is ketp at a negative potential with respect to the emitter plate, the velocity of the photoelectrons would decrease. The minimum potential for which the velocity of the speediest electron becoes zero, is known as the stopping potential, the photoelectric effect stops for a potential lower than this. [velocity of light = 3xx 10^(8) m.s^(-1) , mass of an electron m = 9.1 xx 10^(-31) kg , charge of an electron, e = 1.6 xx 10^(-19)C The threshold wavelength of photoelectric effect for a metal surface is 4600 Å . Work function of the metal (in eV) is

Light rays of wavelength lambda and lambda/2 are incident on a a photosensitive metal surface, IF the maximum kinetic energy of the emitted photoelectrons from the metal surface in 2nd case be 3 times the maximum kinetic energy of emitted photoelectrons in the 1st case then determine the work function of the metal.

The light coming from a hydrogen-filled discharge tube falls on sodium metal. The work function of sodium is 1.82 eV and the kinetic energy of the fastest photoelectron is 0.73 eV. Find the energy of incident light

The work function for cesium atom is 1.9 eV. Calculate the threshold wavelength.

A beam of photons of energy 5.0 eV is incident on a metal surface, whose work function is 3.0 eV. The metal remains isolated and the photoelectrons are being removed instantaneously after their emission. Although photoelectric emission akes places initially, but after some times it ceases. Explain it with reasons.

A photon of energy 8eV is incident on a metal plate with threshold frequency 1.6 xx 10^(15) Hz. The maximum kinetic energy of the emitted photo electrons is (given h= 6 xx 10^(-34) Js )