help! please show me how to solve thisproblem. I will give proper respect as soo

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help! please show me how to solve thisproblem.
I will give proper respect as soon as possible. PLEEEASE helpme!!!
The photoelectric work function of an element is 1.8eV. If lighthaving a wavelength of 360 nm hits the element, find: 1,The stopping potential Vs=1.64V 2,The kinetic energy of the most energetic electronsejected. Kmax=1.64eV please show me how to solve problem #3. 3, The velocities of these electrons? Answer isv=7.60x105m/s
help! please show me how to solve thisproblem.
I will give proper respect as soon as possible. PLEEEASE helpme!!!
The photoelectric work function of an element is 1.8eV. If lighthaving a wavelength of 360 nm hits the element, find: 1,The stopping potential Vs=1.64V 2,The kinetic energy of the most energetic electronsejected. Kmax=1.64eV please show me how to solve problem #3. 3, The velocities of these electrons? Answer isv=7.60x105m/s

Explanation / Answer

Kmax = 1.64 eV = mv2/2 v = (2K/m) =(2*1.64*1.6*10-19/9.1*10-31) =7.60*105 m/s

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