Photoelectric work function for a surface is 2.4 eV. Light of wavelength 6.8 xx 10^(-7) m shines on the surface. Find the frequency of incident light and also the threshold frequency. Will there be photoelectric emission or not ?
The photoelectric work function of a surface is 2.2 eV. The maximum kinetic energy of photoelectrons emitted when light of wavelength 6200 Å is incident on the surface, is
The work function for aluminium is 4.125 eV. The cut-off wavelength for photoelectric effect for aluminium will be
The work function of a metal surface is 4.2 eV. The maximum wavelength which can eject electrons from this metal surface is
The photoelectric threshould wavelength for a metal surface is 6600 Å. The work function for this is
If the photoelectric work function of a metal is 5 eV , the threshold frequency of the metal is
The work function of a metal is 4.2 eV , its threshold wavelength will be
The work function for a metal surface is 2.0 eV. Determine the longest wavelength that will eject photoelectrons from the metal surface.
The work function of a metal is 2.5 eV. Light of wavelength 3600 Å is incident on this metal surface. The velocity of emitted photoelectrons will be
AAKASH INSTITUTE-ALTERNATING CURRENT -Assignment (Section-J) (Aakash Chailengers Questions)