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11 Dec 2019
The work function for platinum is 6.35 eV.
(a) Convert the value of the work function from electron volts tojoules.
J
(b) Find the cutoff frequency for platinum.
Hz
(c) What maximum wavelength of light incident on platinum releasesphotoelectrons from the platinum's surface?
m
(d) If light of energy 9 eV is incident on platinum, what is themaximum kinetic energy of the ejected photoelectrons? Give theanswer in electron volts.
eV
(e) For photons of energy 9 eV, what stopping potential would berequired to arrest the current of photoelectrons?
V
The work function for platinum is 6.35 eV.
(a) Convert the value of the work function from electron volts tojoules.
J
(b) Find the cutoff frequency for platinum.
Hz
(c) What maximum wavelength of light incident on platinum releasesphotoelectrons from the platinum's surface?
m
(d) If light of energy 9 eV is incident on platinum, what is themaximum kinetic energy of the ejected photoelectrons? Give theanswer in electron volts.
eV
(e) For photons of energy 9 eV, what stopping potential would berequired to arrest the current of photoelectrons?
V
abenebelie27Lv6
14 Apr 2022
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Nestor RutherfordLv2
12 Dec 2019
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