AP and TS EAMCET Engineering Model Paper 13

Question : 114 of 160

Marks: +1, -0

A graph is drawn between stopping potential (Y-axis) and incident frequency (X-axis). The intercept OA on X-axis is 0.5×10‌15 Hz. The K.E. of photo electron emitted from the metal when the energy of incident photon is 5eV is: