in quantum mechanics ; calculate the value of [Lz,L_]

Q: Given temperature of 37.3 0.05 What is uncertainty percentage of this temperature? а. 1 b. 0.1 с.…

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Q: For each of the following sets of quantum numbers, indicate the quantum number with an UNALLOWED…

A: The set of numbers used to describe the position and energy of the electron in atom called the…

Q: The Heisenberg uncertainty principle can be expressed in the form: ΔE· Δt ≥ h/4π Where E represents…

A: To solve to question we can use dimension analysis.

Q: A scientist claims that the position of an electron in an atom is measured to an accuracy of…

A: Given: The accuracy in the measurement of the position of an electron is 0.000100 pm. Introduction:…

Q: Imagine an alternate universe where the value of the Planck constant is 6.62607 × 10° J.s. In that…

A:

Q: explain quantum choas in semiclassical physics in detail?

A: Quantum chaos portrays and attempts to comprehend the idea of the wave-like movements for the…

Q: The decay energy of a short-lived nuclear excited state has an uncertainty of 2.0 eV due to its…

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Q: In accordance with the Boh find the quantum number t

A: Givenr=1.5×1011 mv=3×104 m/sm=6×1024 kg

Q: A quantum particle in an infinitely deep square well has a wave function that is given by…

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Q: Elaborate the importance of Angular momentum in Quantum Mechanics. Prove that the component of…

A: Solution:

Q: In a pulsed laser the minimum energy uncertainty of a photon is 2.33 x 10-20 J, which is 6.70% of…

A: ΔE=Minimum energy uncertainty=2.33×10−20 J=0.067Ec=Speed of light=3×108 m/sh=Planck's…

Q: What is the frequency (per second) and energy per quantum (in joules) of x-ray beams of wavelength…

A: Write the expression for the frequency of x-ray beams (Mo Ka).

Q: The allowed energies of a quantum system are 0.0 eV, 1.5 eV, 3.0 eV, and 6.0 eV. How many different…

A: Allowed energies of the quantum system are E1 = 0.0 eV E2 = 1.5 eV E3 = 3.0 eV E4 = 6.0 eV

Q: Write down the expression for the n=4 energy of a quantum particle of mass m in a box of width l.…

A: The expression of the energy for a quantum particle in box is given by…

Q: A relatively long-lived excited state of an atom has a lifetime of 2.75 ms. What is the minimum…

A: Given Data: The lifetime of an atom is, ∆t=2.75 ms   The expression for the Heisenberg uncertainty…

Q: A proton is known to be in a position located to within 8 fm. What is the minimum uncertainty in…

A: uncertainity in position (∆x) = 8 fm mass of proton (m) = 1.67×10-27 kg

Q: If the Hydrogen atom haş a quantum number of 3, solve for the energy and radius.

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Q: an electron is trapped within a sphere that has a diameter of 6*10^-15 what is the minimum…

A: According to the Heisenberg's uncertainty principle, ∆p=h4π∆x Here, ∆p is the uncertainty in the…

Q: A rectangular object has length |=28.3±0.5, width w=18.0±0.6. What is the relative uncertainties in…

A: Uncertainties in measurement are unavoidable. These uncertainties are faced due to different…

Q: What is the minimum uncertainty in the position of an electron? O h/2 h/47T O It depends on how well…

A: Heisenberg uncertainty principle is the mathematical way to find out the uncertainty in the position…

Q: When the principal quantum number is n = 5, how many different values of (a) ℓ and (b) mℓ are…

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Q: Determine the energy of the photon emitted when an electron moves from a state with energy E=-3.4eV…

A: As we know, ν=cλ Here, ν is frequency, c is speed of light, and λ is wavelength. And 1 eV=1.6×10-19…

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: The allowed energies of a quantum system are 1.0 eV, 2.0 eV, 4.0 eV, and 7.0 eV. What wavelengths…

A: Write the formula for the energy associated with a quantum state.

Q: A proton is traveling with a speed of (8.660+_0.013) x10^5 m/s. With what maximum precision can it's…

A: We know according to the uncertainty principle, ΔxΔp⩾h4π  or, Δx(mΔv)⩾h4π Where,  Δx is uncertainty…

Q: Calculate the value of the uncertainty in the energy of the excited state of an atom when the…

A: Heisenberg uncertainty for energy and time is; ∆E∆t≥h4π Given: Uncertainty of time, ∆t=8.4×10-3 s

Q: The uncertalinty in position of an electron is 6.05x10-10m. Fina the minimum uncertainty in the…

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Q: We are going to use Heisenberg's uncertainty principle to estimate the ground- state energy of…

A: Solution: given that ∆x = 0.0529to find the ∆p

Q: An electron bound to an atom has principal quantum number n = 3 and magnetic quantum number ml = +1.…

A: The principle quantum number is n = 3.

Q: State the postulates of quantum mechanics.

A: Postulate I : The state of the quantum mechanical system is completely mentioned by the wave…

Q: The uncertainty principle states that you cannot know with perfect precision both an electron's…

A: The Heisenberg’s Uncertainty principle states that it is impossible to determine precisely and…

Q: Ex. 1: The speed of an electron is measured to be 5.00 x 103 m/s to an accuracy of o.003 o0%. Find…

A: the position and the momentum of a particle cannot be measured accurately, there is always…

Q: If the Hydrogen atom has a quantum number of 3, solve for the energy and radius.

A: Quantum number of hydrogen atom, n = 3

Q: ) if A = = 3i+4j +2K and B= -2i +6j +5k find A. B. ( A .B änjö ))

A: The dot product of two vectors A and B can be determined as,

Q: Find (a) the longest wavelength in the Lyman series and (b) theshortest wavelength in the Paschen…

A: (a)

Q: It is contained inside a long, narrow cell of length 1 x 10 4m What uncertainty does this imply for…

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Q: 10 Imagine an alternate universe where the value of the Planck constant is 6.62607 × 10" J·s. In…

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