Question
In: Physics
1. The binding energy of the photoelectrons of a surface is 1.8 eV. Blue light of...
1. The binding energy of the photoelectrons of a surface is 1.8 eV. Blue light of wavelength 4.8 x 10^-7 m falls on the surface.
Find
a) kinetic energy of the ejected photoelectrons in eV,
b) the voltage required to stop the photoelectrons from leaving the surface.
Solutions
Expert Solution
This
problem can be solved using basic concepts and governing equation
of photo electric effect.
genius_generous answered 2 years agoRelated Solutions
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When light of wavelength 420 nm strikes a metal surface, photoelectrons having a kinetic energy of...
When light of wavelength 420 nm strikes a metal surface,
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A sample is exposed to green light with the energy of 2.4 eV and electron beam...
A sample is exposed to green light with the energy of 2.4 eV
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b) Assuming a convergence angle of 30 degrees for the aperture
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A sample is exposed to green light with the energy of 2.4 eV and electron beam...
A sample is exposed to green light with the energy of 2.4 eV
and electron beam of 100 KeV
energy.
a) Calculate the wave length of the photons and electrons in
this experiment. Which signal
has a higher wave length? Explain. (10 points)
b) Assuming a convergence angle of 30 degrees for the aperture
used in an imaging
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photon and electron beam in
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1. Calculate the permeability of electrons with energy of 0.1 eV and 0.5 eV respectively when...
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and 0.5 eV respectively when penetrating a positional energy
barrier of 1.0 eV in height and 100 pm in length by tunnel
phenomenon.
k Attachment image=[2m(V-E)]^1/2
T={1+(e^kL-e^-kL)^2/16ε(1-ε)}^-1 (ε= E/V)
2. Explain the meaning of tunneling covered in the above problem
with the wave and explain the difference between classical and
quantum mechanics based on it.
1) Calculate the energy, in units of Joules and eV, and momentum, in kg*m/s and eV/c,...
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What is in the last effects, the nuclear binding energy per atom,
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Calculate the total binding energy and the binding energy per
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