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In an experiment on photoelectric effect the frequency v of the incident light is plotted against the stopping potential V0. The work function of the photoelectric surface is given by ( e is electronic charge)
1) OB* e in eV    2) OB in volt    3) OA in eV
4) The slope of the line AB
 
 
Correct ans is 1st option 
Please explain the above .

Shivi . , 6 Years ago
Grade 12th pass
anser 1 Answers
Arun

Last Activity: 6 Years ago

Using

Einstein’s equation, Vo = (h/e) v – Wo /e

now comaring this by

y = mx + c

intercept = Wo/e

 

OB = Wo/e

hence

Wo = OB * e

 

Hope it helps

 

Regards

Arun (askIITians forum expert)

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