The work function of caesium is 2.14 eV . Find The wavelength of incident light if the photo current is brought to zero by stopping potential of 0.60 V.

The work function of Al is 4.2 eV. Find the W.L . Of the incident light if the photo current is brought to zero by a stopping potential of 0.80 eV.

The work function of caesium is 2.14 eV . Find Threshold frequency for caesium

Workfunctionof caesium is 2.14 eV. find the threshold frequency.

Work function of Caesium is 2.14 eV. Find its threshold frequency. h=6.63xx10^(-34)Js,1eV=1.6xx10^(-19) J

The work function of a metallic surface is 2.5 eV. Ultraviolet light of wavelength 2000Å is allowed to be incident on the metallic surface. Calculate Stopping potential. (Given Planck's constant h = 6.63 xx 10^(-34) J-s , electronic charge e = 1.6 xx 10^(-19) C, electron mass m = 9.1 xx 10^( -31) kg