Question: Work function of Caesium is 2.14 eV. Find (a) The threshold frequency for caesium. (6) the wavelength of the incident light if the photo

Work function of Caesium is 2.14 eV. Find (a) The threshold frequency

Work function of Caesium is 2.14 eV. Find (a) The threshold frequency for caesium. (6) the wavelength of the incident light if the photo current is brought to zero by a stopping potential of 0.6 V.

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