Rankers Physics

Photoelectric Effects and deBroglie Equation: Practice Problem & Solution

When the energy of the incident radiation is increased by 20%, the kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5eV to 0.8eV. The work function of the metal is :
0.65 eV
1.0 eV
1.3 eV
1.5 eV

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