Calculate the valocity of a photoelectron if the work function of the target material is `1.24eV` and the wavelength of incident light is `4.36xx10^(-7)`m. What retarding potentia is necessary to stop the emission of the electrons?

Calculate the velocity of a photo-electron if the work function of the target material is 1.24eV and the wavelength of incident light is 4.36xx10^(-7) m. What retarding potential is necessary to stop the emission of the electrons?

Calculate the velocity of a photo-electron if the work function of the target material is 1.24eV and the wavelength of incident light is 4.36xx10^(-7) m. What retarding potential is necessary to stop the emission of the electrons?

Calculate the velocity of a photo-electron, if the work function of the target material is 1.24 eV and the wavelength of incident light is 4360Å . What retarding potential is necessary to stop the emission of the electrons?

The work function of a material is 4.5eV. What is the maximum wavelength of incident light for which electrons will be emitted?

The work function for the surface of aluminium is 4.2 eV. What will be the wavelength of that incident light for which the stopping potential will be zero

Work function of a photosensitive metal is 1.875 eV. Calculate the wavelength of incident light, which will just cause the emission of photoelectrons.

The work function of a metal is 4 eV. What should be the wavelength of the incident radiation for the emission of photoelectrons of zero velocity ?

An electron of work function 1.4 eV is emitted with a velocity 5 xx 10^6 m/s .The wavelength of the incident radiation is

The work fuknction of a material is 4 eV. The longest wavelength of light that causes photoelectron emission from this substances is approximately -

Light of wavelength 3 xx 10^(-7) m is incident on a photosensitive surface . The stopping potential for emitted photoelectrons is 2.5 V . If the wavelength of incident light is reduced to 1.5 xx 10^(-7) m , the stopping potential for emitted photoelectrons is