In quantum mechanics, the importance of commute operators is that We will be able to measure their corresponding values at the same time The values of their corresponding quantities are the same

Q: (a) Show that the frequency f and wavelength λ of a freely moving quantum particle with mass are…

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Q: A proton is traveling with a speed of (8.660+_0.013) x 10^5 m/s. With what maximum precision can…

A: Given that:v=(8.660±0.013)×105 m/sSo, ∆v=0.013×105 m/s

Q: As an electron in a one-dimensional box of length 0.600 nm jumps between two energy levels, a photon…

A: Given: The length of box is 0.600 nm. The energy of 8.36 eV.

Q: Review schrodinger equations not dependent on 3D time in ball coordinates v² + V(f) v(F) = E p(F) 2m…

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Q: Consider the wave function Ψ(x) = A sin (kx) where k = 2π/λ and A is a real constant. (a) What are…

A: Probability of finding a particle at a location is equal to chances of ocurrence of particle atthat…

Q: An electron moves in the x c 3.6 x 10 m/s. We can measure 1%. With what precision can w its x…

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Q: 9.- Obtain the matrices representing the angular momentum operators J“, Jz» J+» J-, Jx y Jy for j =…

A: The value total angular momentum quantum number j given is j=2 Thus, the value of the total magnetic…

Q: An electron is moving with a speed of 5 x 10^6 m/s (± 2 x 10^-2 m/s). Using thisinformation,…

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

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Q: Complete the rule of quantum electrodynamics: The probability of the light reaching the detector is…

A: Given: To complete: The probability of the light reaching the detector is found by ___ all of the…

Q: Px² 3.

A: Px3=Px*Px*Px..........(1) Where, Px is the momentum operator along x axis Px=-iħ∂∂x Equation (1)…

Q: Assume that an atomic nucleus can be thought of as a three-dimensional box with a width of 2 x…

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Q: Question 19 The wave function of a quantum particle of mass m is where A. B, and кare constants. (a)…

A: Given wavefunction of quantum particleψ(x)=Acos(kx)+Bsin(kx)To show that the given wave function…

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: An atom in an excited state temporarily stores energy. If the lifetime of this excited state is…

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Q: Let A and B be two mutually exclusive events, such that P (A) = 0.25 and P (B) = 0.35, determine:…

A: Introduction: Mutually exclusive events are called disjoint events. If two events are considered…

Q: The normalized wavefunction of an electron in a linear accelerator is ψ = (cos χ)eikx + (sin…

A: Solution: The wavefunction takes on the form ofΨ = cos(X) eikx + sin(X) e–ikxthe square of the…

Q: Which one of the following statements is NOT true in quantum mechanics? Particle's trajectories are…

A: Here the false statement is to be detected from the given statements. 1) Particle's trajectories are…

Q: Which functions is symmetric? antisymmetric? asymmetric? a) y(x) = cos(x) b) (x) = 1/sin(x) c)(x) =…

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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: The uncertainty in the velocity of an electron is 66 × 10-3 m/s. What is the uncertainty in its…

A: The uncertainty in the velocity of the electron dv=66*10-3m/s, mass of electron m=9.1*10-31kg and…

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: Q:-3(a)-An electron moves in the x direction with a speed of 2.8 x 106 m/s. We can measure its speed…

A: Required : The precision in the x coordinate of the electron and the ball.

Q: An electron has been accelerated by a potential difference of 100 V. If its position is known with…

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Q: In quantum mechanics questions, solving finding uncertainty is same as finding standard deviation?

A: The Heisenberg Uncertainty Principle is a fundamental concept in quantum mechanics.It states that…

Q: For a quantum particle described by a wave function (x), the expectation value of a physical…

A: A particle is in an infinitely deep one-dimensional box of length L. The normalized wave function…

Q: Tell what is wrong in each of the following sets of quantum numbers: 2, 2, 0, +½ 3, 4, 2, -½ 3, 2,…

A: Condition of quantum number,n is always positive - n=1,2,3,...l is always positive-   l=0, 1,2,…

Q: 4

A: In quantum mechanics, Heisenberg's uncertainty principle determines the accuracy limits of…

Q: The smallest observed frequency for a transition between states of an electron in a one-dimensional…

A: GivenThe smallest observed frequency for a transition between states of an electron in a…

Q: Imagine another universe in which the value of Planck’s constant is 0.0663 J . s, but in which the…

A: Given: The value of Planck's constant is 0.0663 J.s. The distance is 12 m. The mass of the ball is…

Q: The uncertainty in the position of an electron along an x axis is given as 50 pm, which is about…

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Q: The average lifetime of a tau is about 2.9 ✕ 10−13 s. Estimate the minimum uncertainty in the energy…

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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: [Îx,Ly] = ihLz. Prove

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Q: 6- prove that average (a + a*)² equal to (2n + 1) and the average of (a – a*)² is –(2n + 1)

A: Given: To prove that average (a+a+)2 = (2n+1) and the average of (a-a+)2 is -(2n+1)

Q: The decay energy of a short-lived particle has an uncertainty of 1.0 MeV due to its short lifetime.…

A: Heisenberg uncertainty principle of energy and time is

Q: According to the uncertainty principle, if the momentum of a particle is known with perfect…

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Q: The velocity of a proton in an accelerator is known to an accuracy of 0.250% of the speed of light.…

A: Mass of proton The uncertainty in the velocity of proton is of the speed of light..The speed of…