The electric field at a point associated with a light wave is given by
E = 200 [sin (6 $\times 10
15
)t + sin (9 \times 10
15
)t] Vm
-1
Given : h = 4.14 \times 10
-$15
eVs
If this light falls on a metal surface having a work function of 2.50 eV, the maximum kinetic energy of the photoelectrons will be