smithmariah62811 smithmariah62811

15-04-2024
Physics

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The work function for tungsten is 4.58 eV. Of the following, which is the best estimate of the threshold frequency required for the emission of photoelectrons from a tungsten cathode?
(A)0.1x10¹⁵Hz
(B)0.5x10¹⁵Hz
(C)1x10¹⁵Hz
(D)2x10¹⁵Hz
(E)3x10¹⁵Hz

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