The K.E. of an electron emitted from tungsten surface is `3.06 eV`. What voltage would be required to bring the electron to set.

The photo electrons emitted from the surface of sodium metal are

The photo electrons emitted from the surface of sodium metal are

The photo-electrons emitted from a surface of sodium metal are such that

The photo-electrons emitted from a surface of sodium metal are such that

The photo-electrons emitted from a surface of sodium metal are such that

The work function of tungsten is 4.50 eV. Calculate the speed of fastest electron ejected from tungsten surface when light whose photo energy is 5.80eV shines on the surface.

The work function of tungsten is 4.50 eV. Calculate the speed of fastest electron ejected from tungsten surface when light whose photon energy is 5.80 eV shines on the surface.

When photons of energy 5 eV fall on a photosensitive surface, the maximum K.E. of the photoelectrons emitted from the surface is 2.5 eV. What is the stopping potential ?