The work function of a metal is 0.1 eV. Find the value of threshold frequency for photoelectric discharge. ,

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 of cesium is 2.14 eV. The threshold freqency of caesium is

Work funciton of a metal is 2.51eV. It threshold frequency is

[" 3.The work function of metal is "2.4eV" ."],[" Find the (i) threshold frequency for "],[" metal "],[" (ii) wavelength of incident light if a "],[" stopping potential is "0.5V" ."]