Answer to Question #191609 in Physics for Faisal

Question

Q 3) The maximum energy of electrons emitted from a photocell illuminated with radiation at a

wavelength λ = 200 nm is 1.6 eV. The work function of the photocathode is (Planks constant is

h= 4.1x10-15 eV.s. speed of light c= 3x10^8 m/s):

1) 2.2eV

2) 3.1eV

3) 3.8eV

4) 4.6eV

Answer 1

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