PLEASE HELP WITH THESE THREE QUESTIONS
What is the orbital frequency (in Hz) of the electron as it orbits about the nucleus in the n = 100006 state of the Hydrogen atom? You can obtain this from the Bohr Model of the Atom by using the equations for the radius of the orbit and the speed of the electron. Since the orbital frequency is the number of revolutions per second that the electron undergoes as it orbits, you can determine this by finding the distance that the electron travels in one second (obtained from the speed of the electron as it orbits) and dividing this by the circumference of the electron's orbit (obtained by the radius of the orbit).
What is the photon frequency (in Hz) for a transition between the n = 100006 state and the n = 100005 state in a Hydrogen atom? To find the photon frequency, calculate the energy of the photon that is emitted during a transition between these two energy levels (use the Bohr Model of the Hydrogen Atom) and then calculate the photon frequency using the equation for the energy of a photon (from the Quantum Theory of Light).
In Classical Physics, the orbital frequency of the electron
should equal the frequency of the emitted electromagnetic wave
(i.e., the photon frequency), because the orbital frequency tells
you how quickly the electron is vibrating back and forth. In
Quantum Mechanics, the energy of the transition between allowed
energy levels determines the emitted photon frequency. If you treat
the photon frequency as the accepted value, what is the percent
error (in %) between the orbital frequency and the photon frequency
for n = 100006? Do these results agree with one another?
According to Bohr's Correspondence Principle, the
predictions of Quantum Mechanics should agree with the predictions
of Classical Physics when applied to sizes where Classical Physics
is known to work --- that is, for LARGE quantum numbers. Do the
results for n = 7 and n = 100006 seem to obey the predictions of
Bohr's Correspondence Principle
?
PLEASE HELP WITH THESE THREE QUESTIONS What is the orbital frequency (in Hz) of the electron...
What is the frequency of light (in Hz) of a photon emitted when an electron in a hydrogen atom undergoes a transition from the n = 6 energy state to the n = 2 energy state? Express your answer to two significant figures. TIP: To report an answer in scientific notation, enter it using the format "2.364", which means "2.3 x 104" (without the quotation marks) Answer: What is the frequency of light (in Hz) of a photon emitted when...
Consider a photoelectric effect experiment. Calculate the minimum photon energy needed to produce photoelectrons for the following metals: Sodium Aluminum Platinum For the photon energies you calculated in problem #1, calculate the wavelength and frequency for each. In what part of the electromagnetic spectrum do these photons belong? Calculate the radii and energies of the first three allowed orbits for the Bohr Model of the hydrogen atom in both joules and electron-volts. Show your work. Calculate the energies of photons...
Does Bohr's theory of the hydrogen atom predict that it is possible for the electron in a hydrogen atom to orbit the nucleus with any possible radius? Yes, there are an infinite number of possible orbits, so that every radius is possible. O No, while there are an infinite number of possible orbits of different radii, the radii have only distinct values, not continuous values. O No, there are only a finite number of possible orbits of different radii. +-/1...
What is the frequency of light (in Hz) of a photon emitted when an electron in a hydrogen atom undergoes a transition from the n = 4 energy state to the n = 2 energy state? Express your answer to two significant figures. TIP: To report an answer in scientific notation, enter it using the format "2.3E4", which means "2.3 x 104" (without the quotation marks)
Which of the following statements regarding the Bohr model of the hydrogen atom is incorrect? O Bohr's model shows the electron circling the nucleus in fixed orbits O In Bohr's model, electrons could exist between orbits O In Bohr's model, when an electron absorbs energy, it can move to a higher-energy orbit O In Bohr's model, when an electron emits energy,it can move to a lower-energy orbit O In Bohr's model, n 1 is the lowest energy orbit Type here...
6. [18 PTS] SPECTROSCOPY The electron in a hydrogen atom is in the n-5 state. a. Calculate the energy of the electron. b. Calculate the orbital radius of the electron according to the Bohr model. The electron drops down to the n 3 state. c. Calculate the energy of the emitted photon d. Calculate the wavelength of the emitted photon.
3 (b) The energy of a Bohr atom in the n-th excited state is given by the formula E--a2mc2 2,7, where α-e2/(4πέρ,10hc)-1 /137, m is the electron mass and e denotes the electron electric charge. i) Why is the total energy negative? Explain briefly your answer. ii) What is the radius of the electron in the n-th excited state in the Bohr atom? To answer that correctly follow the next steps Use Bohr's angular momentum quantization principle to obtain an...
(a) If an electron makes a transition from the n = 4 Bohr orbit to the n = 2 orbit, determine the wavelength of the photon created in the process . (b) Assuming that the atom was initial rest, determine the recoil speed of the hydrogen atom when this photon is emitted.
2. (a) Use the Bohr's model of the hydrogen atom to show that when the electron moves from the state n to the state n - 1, the frequency of the emitted light 1S 2h3n (b) Simplify the above expression as n ? oo (c) Hence or otherwise, show that the above equation reduces to the classical frequency one expects the atom to emit. Hint: To calculate the classical frequency, note that the frequency of revolution is v/2?? where u...
(b) If the wavelength of a photon emitted during the α-transition of the Paschen series is 1.875 um, determine the energy of the photon. 2 marks) The equation for the radius of the Bohr orbits in an atom is (c) y(4760) . If a singly ionised helium atom (He+,2-2) has only one electron in where orbit about the nucleus, what is the radius of the ion when in the second excited state? (3 marks)
(b) If the wavelength of a...