The photoelecteric work function fou a surface is 2.40V Light of wavelength 68004⁰ things given surface. Find the incident 4 threshold frequencies. Will there be thatsebebic encission ou hot licen: C=3×108 m/s. and I ev = 1.6 × 10-19 5²₁ h = 6.6 × 10 -34 JS.
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