What is the work function of potassium

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When light of wavelength 303 nm falls on a potassium surface, electrons are emitted that have a maximum kinetic energy of 1.99 eV. What is the work function of potassium? The speed of light is 3 × 10^8 m/s and Planck’s constant is 6.63 × 10^?34 J · s. Answer in units of eV

Reference no: EM13549970

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What is the work function of potassium : When light of wavelength 303 nm falls on a potassium surface, electrons are emitted that have a maximum kinetic energy of 1.99 eV. What is the work function of potassium? The speed of light is 3 × 10^8 m/s and Planck’s constant is 6.63 × 10^?34 J · s..
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