The variation of stopping potential (V0)...

The variation of stopping potential (V_0) as a function of the frequency (v) of the incident light for a metal is shown in figure. The work function of the surface is

2.98 eV

2.07 eV

1.36 eV

18.6 eV

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The following figure shows a graph for the stopping potential as a function of the frequency of incident light illuminating a metal surface. Find the photoelectric work function for this surface.

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Figure show the variation of the stopping potential (V_(0)) with the frequency (v) of the incident radiations for two different photosensitive matererial M_(1) and M_(2) What are the values of work functions for M_(1) and M_(2) respectively

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