Photoelectric EffectHard
Question
Light of wave length 4000
is incident on a sodium surface for which the threshold wave length of photoelectrons is 5420
. The work function of sodium is
is incident on a sodium surface for which the threshold wave length of photoelectrons is 5420. The work function of sodium isOptions
A.4.58 eV
B.2.29 eV
C.1.14 eV
D.0.57 eV
More Photoelectric Effect Questions
The momentum of a photon in an X-ray beam of 10-10 metre wavelength is :-...A big drop of radius R is formed by 729 small drops of water radius r, then the radius of each small drop will be;...If wavelength of incident light is changed from 4000 (Ao) to 3600 (Ao), then change in stopping potential will be-...Which of the following is not affected by lectro-magnetic fields :...If frequency of incident radiation is above threshold frequency, on applying potential difference, the photoelectric cur...