1.

The stopping potential Vo (in volt) as a function of frequency (ν) for a sodium emitter, is shown in the figure. The work function of sodium, from the data plotted in the figure, will be:(Given: Planck's constant (h) = 6.63 × 10-34 Js; electron charge (e) = 1.6 × 10-19 C)

A. 1.82 eV
B. 1.66 eV
C. 1.95 eV
D. 2.12 eV
Answer» C. 1.95 eV


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