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What is the energy of a photon of wavelength 354 nm?… | StemPy Lab
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What is the energy of a photon of wavelength 354 nm? Use hc = 1240 eV nm.
Physics
Easy
High School (11–12)
Modern Physics › Dual Nature of Radiation and Matter
Board Exam
AP
A-Level
IB
Created by
StemPy Lab
What is the energy of a photon of wavelength
354
354
354
nm? Use
h
c
=
1240
hc = 1240
h
c
=
1240
eV nm.
7.01
eV
7.01\ \text{eV}
7.01
eV
3.5
eV
3.5\ \text{eV}
3.5
eV
1.75
eV
1.75\ \text{eV}
1.75
eV
0.29
eV
0.29\ \text{eV}
0.29
eV
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← Which prediction of the wave theory of light does the photoelectric effect contradict?
A photocell cathode needs 5.1 eV to release an electron. Ultraviolet light of wavelength 190 nm is shone on it. What collector voltage, in size, stops the current? Use hc = 1240 eV nm. →
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Modern Physics › Dual Nature of Radiation and Matter
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