AP EAMCET Medical 23 Apr 2019 Shift 2 Paper

Question : 121 of 160

Marks: +1, -0

The kinetic energy of electron ejected from a metal surface is 0.70 eV. If the work function (W0) of the metal is 2.30 eV. the frequency of radiation falling on the metal surface in Hz is (1 eV = 1.602 × 10−19 J)