Home Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect A photon of energy 3.4 eV is incident on a m…
Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect MCQ (Single Correct)

A photon of energy 3.4 eV is incident on a metal having work function 2 eV. The maximum K.E. of photo-electrons is equal to

A
1.4 eV
B
1.7 eV
C
5.4 eV
D
6.8 eV

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The correct answer is:
A

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