Concept explainers
Indicate which of these expressions yield eigenvalue equations, and if so indicate the eigenvalue.
(a)
(c)
(e)
(g)
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Chapter 10 Solutions
Physical Chemistry
- 2. Which of the following wavefunctions are eigenfunctions d? of the operator dx- For those that are eigenfunctions, what is the eigenvalue (a) Y = ex (b) Y = x? (c) Y = sin x (d) Y = 3 cos x (e) Y = sin x + cos xarrow_forward2.) The function, f(x) = 3X² - 1, is an eigenfunction of the operator, A = - (1- x)(d²/ dx²) + 2x(d /dx). Find the eigenvalue corresponding to this eigenfunction.arrow_forward(a) For a particle in the stationary state n of a one dimensional box of length a, find the probability that the particle is in the region 0xa/4.(b) Calculate this probability for n=1,2, and 3.arrow_forward
- The given wave function for the hydrogen atom is y =w,00 +210 + 3y2 · Here, ypim has n, 1, and m as principal, orbital, and magnetic quantum numbers respectively. Also, yim an eigen function which is normalized. The expectation value of L in the state wis, is 9h? (a) 11 (b) 11h? 20 (c) 11 (d) 21ħ?arrow_forwardIf we measure L₂ of a particle whose state function is an eigenfunction of L² with eigenvalue 6ħ², which is not a possible outcome of the measurement? ○ 3ħ 2ħ 0 O ħ -ħarrow_forwardThe largest known element, francium, has an atomic diameter of 540 pm. What is the minimum uncertainty in the momentum of a a francium electron if the uncertainty in its position is taken to be the diamter of the atom? (pico = 10-12)arrow_forward
- How many eigenstates of a 3D particle in a box have eigenvalue of E=38h2/(8ma2) if a=b=c? Would changing c change this number?arrow_forwardFind the eigenvalue of operating on the function f(x) = Asin(nx) + Bcos(mx) with the following operator: P = d²/dx2 What must be the value of the constants A, B, m and n be to make the function an eigenfunction of this operator? 1.arrow_forwardImagine a particle free to move in the x direction. Which of the following wavefunctions would be acceptable for such a particle? In each case, give your reasons for accepting or rejecting each function. (1) Þ(x) = x²; (iv) y(x) = x 5. (ii) ¥(x) = ; (v) (x) = e-* ; (iii) µ(x) = e-x²; (vi) p(x) = sinxarrow_forward
- particle is confined to a one-dimensional box of length L. Deduce the location of the posit ions with in the box at which the particle is most likely to be found when the quantum number of the particle is (a) n = 1. (b) n = 2. and(c) n = 3.arrow_forwardYou are given a free particle (no potential) Hamiltonian ÎI - dependent wave-functions = ₁(x, t) V₂(x, t) = -it 2h² m = ħ² d² 2m dx2 sin(27x)e-it 2 sin(x)eit + sin(2x)e¯ hn 2 • Are V₂(x, 0) eigenfunctions of Ĥ ? (give explanation for each case) and two time- -it 2hr 2 m (1) (2)arrow_forwardDetermine whether or not the state 211 is an eigenfunction of the operator V2, and if so, give the eigenvalue.arrow_forward
- Physical ChemistryChemistryISBN:9781133958437Author:Ball, David W. (david Warren), BAER, TomasPublisher:Wadsworth Cengage Learning,Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning