KCET 2007 Physics Solved Paper

Question : 33 of 60

Marks: +1, -0

A and B are two metals with threshold frequencies 1.8×1014‌Hz and 2.2×1014‌Hz. Two identical photons of energy 0.825‌eV each are incident on them. Then photoelectrons are emitted in
(Take h=6.6×10−34‌Js )