+1 vote
in Class 12 by kratos

Write Einstein'* Photoelectric equation and mention which important features in photoelectric effect can be explained with the help of this equation.

The maximum kinetic energy of the photo-electrons gets doubled when the wavelength of light incident on the surface changes from λ1 to λ2 . Derive the expressions for the threshold wavelength λ0 and work function for the metal surface.

1 Answer

+6 votes
by kratos
 
Best answer

Important features :

(i) Kmax depends linearly on frequency v.

(ii) Existence of threshold for the metal surface.

From (i) and (ii)

Work function

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