a) A photoelectric surface has a work function of 3.30 x 10-19 J. What is the threshold frequency of this surface? (format of a.bc x 10de Hz)
b) What is the stopping voltage of an electron that has 5.40 x 10-19 J of kinetic energy? (3 digit answer)
c) A photoelectric surface requires a light of maximum wavelength of 675 nm to cause electron emission. What is the work function (in eV) of this surface? (3 digit answer)
d) A photoelectric surface has a work function of 2.75 eV. What is the minimum frequency of light that will cause photoelectron emission from this surface? (format of a.bc x 10de Hz)
e) A photon of frequency 8.2 x 1015 Hz is incident upon a photoelectric apparatus containing a metal whose threshold frequency is 3.6 x 1015 Hz. What is the stopping voltage? (2 digit answer)
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