Dual Nature of Radiation and Matter

Question: If the work function of a photometal is 6.825 eV. Its threshold wavelength will be $(c = 3 \times {10^8}\,m/s)$



1) 1200 Å
2) 1800 Å
3) 2400 Å
4) 3600 Å
Solution: Explanation: No Explanation
Photon and Photoelectric Effect

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