The photoelectric effect shows that for a metal surface irradiated with photons, if no electrons are released form the surface, then
a) the temperature of the surface must be increased
b) the work function of the surface must be increased
c) the wavelength of the photons must be increased
d) the frequency of the photons must be increased
e) the frequency of the photons must be decreased.
please help me with these questions, i have this question for chemistry, and it is not in my chemistry book.
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