Dual Nature of Radiation and Matter

Question: The lowest frequency of light that will cause the emission of photoelectrons from the surface of a metal (for which work function is 1.65 eV) will be

1) $4 \times {10^{10}}Hz$

2) $4 \times {10^{11}}Hz$

3) $4 \times {10^{14}}Hz$

4) $4 \times {10^{ - 10}}Hz$

Solution:

Explanation: No Explanation

Photon and Photoelectric Effect

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