Question

An electron is orbiting a newly discovered +5e particle. The
mass of this new particle is 3 times the mass

of an electron.

What is the reduced mass for this system?

What are the radii of stable orbits for this system? Your
expression should only depend on n and

various constants.

What are the energy levels for this system? Your expression should
only depend on n and various

constants.

If an electron makes a transition from the n = 3 state to the n = 2
state, what is the wavelength of

the emitted photon.

What is the wavelength of the photon required to ionize this
system? Assume the system is in n = 1.

Answer #1

The positiron is a bound electron position pair. The positron is
the antiparticle of the electron with the charge +e and the same
rest mass as the electron. derive and calculate the following
quantities considering that e+ and e- are orbiting around the
mutual center of mass1.) radius of the bohr orbit with n=12.) binding energy of the system3.) energy and wavelength of a photon emitted if the eletron
transistions from n=2 to the ground state

a. what is the energy of the emitted photon if an electron in
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b. Now, Imagine there is a photon with the same wavelength. What
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3. Consider an electron of mass 9*10-31 kg in an infinite box of
dimension 10-9 m.
a) What is the energy difference between the ground state and
the first excited state in eV unit?
b) If there is a transition from n=2 to n=1 state, what will be
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1. a. A photon is absorbed by a hydrogen atom causing an
electron to become excited (nf = 6) from the ground state electron
configuration. What is the energy change of the electron associated
with this transition?
b. After some time in the excited state, the electron falls from
the n = 6 state back to its ground state. What is the change in
energy of the electron associated with this transition?
c. When the electron returns from its excited...

Kepler’s Laws of Planetary Motion:
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If the orbital period of the planet is 40 Earth years, what is the
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2. The mass of the Earth is approximately 6 × 1026
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3. A...

5a) Positronium is a bound state of an electron and a positron.
What is the energy of the photon emitted in transitions of
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1.7 eV , (B) 5.1 eV , (C) 6.8 eV , (D) 13.6 eV, (E) 20.4 eV
5b) A new hydrogen-like atom is discovered where the particle
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(1)
Part A: If a electron in a hydrogen atom makes a transition from
ground state to n = 8 level what wavelength of light in (nm) would
be needed for the abosorbed photon to cause the transition?
Part B: If the same electron falls to a lower level by emmitting
a photon of light in the Paschen series what is the frequncy of
light in (Hz) thats emitted?
(2) When a photon have a wavelength of 195nm strikes the...

The force between two quarks is approximately the same as the
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Derive expressions for the energy levels and radii of this
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Make a qualitative energy level diagram for this system. Give
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If the system makes a transition from n...

An electron in an excited state
of a hydrogen atom emits two photons in succession, the first at
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What were the principal quantum numbers of the initial and
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Consider a Li++ ion as described by the Bohr model.
(a) At some other time, the electron in n=4 state. What possible
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expression(s) and draw the diagram to illustrate the
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(b) What is the ground state energy of this system in eV? Write the
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(c) Now assume the electron is in the n=1 state....

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