If a monochromatic light beam with quantum energy value of 3.0 eV incident upon a photocell where the work function of the target metal is 1.60 eV,what is the maximum kinetic energy of ejected electrons?
A)4.6 eV
B)4.8 eV
C)1.4 eV
D)2.4 eV

Question

Quizplus · Accepted Answer

The maximum kinetic energy of ejected electrons is given by the equation: KE_max = E_photon - Work function. Here, KE_max = 3.0 eV - 1.60 eV = 1.4 eV.

If a Monochromatic Light Beam with Quantum Energy Value of 3.0