If a Monochromatic Light Beam with Quantum Energy Value of 3.0

question 42

Multiple Choice

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