The photoelectric work function for a metal surface is 4.125eV. The cut -off wavelength for this surface is

The photoelectric work function for a metal surface is 4.125 eV. The cut off wavelength for this surface is

The photoelectric work function for a metal surface is 4.125 eV . The cut - off wavelength for this surface is

The photoelectric work function for a metal surface is 4.125 eV . The cut - off wavelength for this surface is

The photoelectric work function for a metal surface is 2.4eV.If a light of wavelength 5000Ais incident on the surface of the metal, find the threshold frequency and incident frequency. Will there be emission of photoelectrons or not?

The work function of a metal surface is 2.0 eV. Light of wavelength 5000 Å is incident on it:

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 work function of aluminium is 4.125eV. The cut off wavelength for photoelectric effect for aluminium is