The work function for a metal surface is 4.14 eV. The threshold wavelength for this metal surface is:

Class 12th Physics, Question -The work function for a metal surface is 4.14 eV. The threshold wavelength for this metal surface is:

By
Komal Kohli
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These are the options for the question :The work function for a metal surface is 4.14 eV. The threshold wavelength for this metal surface is:

(i) 4125 Å
(ii) 2062.5 Å
(iii) 3000 Å
(iv) 6000 Å

The correct answer is -(iii) 3000 Å

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