If a Monochromatic Light Beam with Quantum Energy Value of 1.6

question 19

Multiple Choice

If a monochromatic light beam with quantum energy value of 1.6 eV incident upon a photocell where the work function of the target metal is 0.9 eV,what is the maximum kinetic energy of ejected electrons?

• A)2.5 eV
• B)1.8 eV
• C)0.7 eV
• D)3.2 eV
• E)​1.3 eV

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