Question 15(e): Quantum Mechanics
Q: An electron in a multielectron atom is known to have the quantum number L=3 .What are its possible…
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A: Given 2nd orbit n=2 Atomic number Z=8
Q: Say that the surface of a star has a temperature of 6000 K and an electron density of n = 2.6 x 1019…
A: Find step to step solution in image attached below. Answer = 1.6565 × 10^-4
Q: 12. (a) Find the shortest vacuum-wavelength photon emitted by a downward electron transition in the…
A: Let us find the shortest vacuum wavelength photon emitted by a downward transition in the Lyman…
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Q: 1D GaAs semiconductor nanowire with a length L = 2 µm. (A) What is the standard deviation…
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Q: Consider a quantum mechanical ideal harmonic oscillator having a zero point energy of 1.4*10^-20J.…
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Q: the angular momentum of the electron is quantized
A: Which hypothesis gives the quantization of angular momentum of electron.
Q: Use the following to answer question 5: 5. Two long parallel wires are a distance d apart (d = 6 cm)…
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Q: Based on Bohr’s atomic model, how many visible wavelengths of the helium emission spectrum end at…
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Q: Which of the following is a quantum number? options: 0.2 2 0.02 None of the above.
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Q: In the Balmer series, the wavelength of a certain line is measured as 379.1 nm. What transition does…
A: Given Wavelength λ = 379.1 nm
Q: The speed of an electron is measured to within an uncertainty of 2.0 × 104 m/s. What is the size of…
A: Operators in quantum mechanics are used to perform operations on the wave function. The momentum…
Q: A proton is confined to a nucleus that has a diameter of 7.7 x 10-15 m. If this distance is…
A: Uncertainty in position is Note:Planck's constant is Find:The minimum uncertainty in momentum.
Q: In the Bohr model, what is the principal quantum number n at which the excited electron is at a…
A: Given: The radius of the orbit r = 1 mm.
Q: Quantum Dot: Patent number 979-878-436 is for a quantum dot that only emits and absorbs three…
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Q: The decay energy of a short-lived nuclear excited state has an uncertainty of 2.1 eV due to its…
A: According to heisenberg's uncertainty principle∆E×∆t ≥ h4πWhere∆E=uncertainty in energy∆t=time…
Q: Estimate the wavelength of the electrons in a 300 kV electron microscope.
A: Given voltage difference (V)=300 kV Required wavelength of electron?
Q: Which of the following particles display quantum mechanical behavior? A. A rubber bullet flying…
A: It is more likely that the tiny particles exhibit the wave particle duality than the massive…
Q: Light from a laser has a wavelength of 404 nm. What is the energy of the light in electron-volts…
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Q: An atom vibrates like a harmonic oscillator with a spring constant 1.02*10^2N/m the mass of the atom…
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Q: Why is it necessary to report uncertainties in physics?
A: Physics is the branch of science which is devoted to the study of natural phenomenon as well as…
Q: What is the length of a box in which the minimum energy of an electron is 3.0×10−18 J ? Express…
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Q: A log in a fireplace burns for nearly an hour, at which point it consists mostly of small, hot…
A: Energy transfer without a medium takes place by radiation. Hot bodies radiate energy in the form of…
Q: Richard Feynman, in his book The Character of Physical Law, states: “A philosopher once said, ‘It is…
A: The philosopher was speaking about the classical physics which tells about the macroscopic world. In…
Q: A relatively long-lived excited state of an atom has a lifetime of 2.75 ms. What is the minimum…
A: Given that:- Life time of an atom=2.75ms
Q: The atomic number of an element is known to be 32. Write the four quantum numbers of all of the…
A: The atomic number of Germanium is 32. Its electronic configuration is as follows : [Ar]3d104s24p2…
Q: Two electrons in the same atom have n = 3 and ℓ = 1. (a) List the quantum numbers for the possible…
A: a)
Q: How much energy is released if an electron drops from a Na atom's n=5 energy level down to n=3…
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Q: ) Calculate the deBroglie wavelength of an electron with energy Ef in copper and b) compare it to…
A: Fermi energy of copper =7.03 ev Debroglie wavelength of an electron is given as Wavelength = h/p…
Q: What is the length of a box in which the minimum energy of an electron is 1.5 x 10-18 J?
A: The energy of a particle in the box is given by, En=n2h28mL2
Q: Show that in Bohrs theory, the frequency of photon emitted as the electron makes a transition from…
A: The spectrum of hydrogen atoms is explained by an atomic structure hypothesis. It is assumed that…
Q: t was observed that the atoms of a substance had so much energy that it separated the electrons and…
A: Plasma
Q: The probability of finding an electron is along two directions in which orbital? a) s b) p c) d…
A: C
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