Question

In: Physics

Barium has a work function of 2.48 eV. What is the maximum kinetic energy of electrons...

Barium has a work function of 2.48 eV. What is the maximum kinetic energy of electrons if the metal is illuminated by UV light of wavelength 420 nm?
eV
What is their speed?
m/s

Solutions

Expert Solution

Given data

Work function

Wavelength of UV light

Maximum kinetic energy can be given by

Planck's constant

speed of light

                                    

                            

Consider the speed of the electron

Mass of the electron


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