Photoelectric EffectMedium
Question
Photoelectric effect takes place in element A. Its work function is 2.5 eV and threshold wavelength is λ. An other element B is having work function of 5 eV. Then find out the maximum wavelength that can produce photoelectric effect in B :
Options
A.λ/2
B.2λ
C.λ
D.3λ
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