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  4. The energy of the incident photon is 20 eV and the work function of the photosensitive metal is 10 eV, the stopping potential is

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Q. The energy of the incident photon is 20 eV and the work function of the photosensitive metal is 10 eV, the stopping potential is

Dual Nature of Radiation and Matter

Solution:

$V_0 = \frac{(20 - 10) eV}{e} = \frac{10 \times e}{e} $ 10 V