If the work function for a certain metal is 1.8eV: What is the stopping potential for electrons ejected from metal when light of wavelength` 4000overset@ A` shines on metal

If the work function for a certain metal is 1.8eV: What is the maximum speed of the electron?

Photoelectric work function of a metal is 3 eV. Find the maximum speed of photoelectrons emitted when radiation of wavelength 4000overset@ A is incident on the metal surface. (Given: mass of electron = 9.1 xx 10^-31 kg )

The work function for a certain metal is 4.2 eV. Will this metal give photoelectric emission for incident radiation of wavelength 330 nm?

The work function of a metal is 4.2 eV , its threshold wavelength will be

The work function of a metal is 4.3 eV. Find the K.E. and the velocity of photoelectrons emitted when radiation of wavelength 2500 overset (@)(A) is incident on it. (Mass of electron 9.1 xx 10^-31 kg )

Photoelectric work function for a metal surface is 3 eV. Find maximum K.E., maximum speed of photoelectron emitted when radiation of wavelength 4000overset@ A is incident, (mass of electron= 9.1 xx 10^-31 kg ).

The wavelength corresponding to the threshold frequency for a certain metal is 5000overset@ A. Calculate the Max. K.E. of the photoelectron emitted when ultraviolet light of wavelength 2500overset@A falls on it.

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.

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.