The work function of a metallic surface is 5.01 eV. Photoelectrons are emitted when light…
Chemistry · NEET · NTA Exams — Structure of Atom
The work function of a metallic surface is 5.01 eV. Photoelectrons are emitted when light of wavelength 2000 \(\stackrel{a}{A}\) falls on it. The potential difference required to stop the fastest photoelectrons is
\(\left[\mathrm{h}=4.14 \times 10^{-15} \mathrm{eV.5}\right]\)
- 1.2 V
- 2.4 V
- 3.6 V
- 4.8 V
Answer
(B) 2.4 V
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