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The cutoff frequency for a certain
element is 1.22 x 1015 Hz. What is its
work function in eV?
Hint: 1 eV 1.60 x 10-19 J
[?] eV

The Cutoff Frequency For A Certain Element Is 122 X 1015 Hz What Is Its Work Function In EV Hint 1 EV 160 X 1019 J EV class=

Sagot :

The cutoff frequency for a certain element is 1.22 x 1015 Hz this is its

work function in eV that is Work done = 5.05 eV.

What is supposed through a piece function?

Definition of labor function is the power this is wished for a particle to return back from the indoors of a medium and spoil via the surface —used particularly of the photoelectric and thermionic emission of electrons from metals paintings function.

  1. Work function = hf
  2. h= planks constant.
  3. f= frequency.
  4. W = 6.626 10^-34  1.22* 10^15.
  5. W = 8.08  10^-19 / ( 1.6 10^-19)
  6. W = 5.05 eV.

Read more about work:

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