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manya12Lv1
22 Jun 2021
The work function for platinum is 6.35 eV.
(a) Convert the value of the work function from electron volts to joules.
J
(b) Find the cutoff frequency for platinum.
Hz
(c) What maximum wavelength of light incident on platinum releases photoelectrons from the platinum's surface?
nm
(d) If light of energy 8.02 eV is incident on platinum, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts.
eV
(e) For photons of energy 8.02 eV, what stopping potential would be required 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 to joules.
J
(b) Find the cutoff frequency for platinum.
Hz
(c) What maximum wavelength of light incident on platinum releases photoelectrons from the platinum's surface?
nm
(d) If light of energy 8.02 eV is incident on platinum, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts.
eV
(e) For photons of energy 8.02 eV, what stopping potential would be required to arrest the current of photoelectrons?
V
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chemosmart-007Lv10
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