The work function of a certain material is 3.5 eV. Determine the threshold frequency for the material. (1 electron volt eV = 1.6 x...

      

The work function of a certain material is 3.5 eV. Determine the threshold frequency for the material. (1 electron volt eV = 1.6 x 10^-19 J, and plank’s constant h = 6.62 x10^-34 Js )

  

Answers


joseph
Work function w = hf0
f0 =w/h
=(3.5 x 1.6 x10^-19)/(6.6.62 x 10^-34)
=8.459 x 10^14 Hz

joseph rimiru answered the question on December 9, 2017 at 20:06


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