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a. Define what is meant by a representation of a ket state [4) and of an...
The ground state wave function of the hydrogen atom is given by 1 (r) = 7/a....
The ground state wave function of the hydrogen atom is given by 1 (r) = 7/a. Vπα3 What is the ground state wave function of the hydrogen atom in momentum space? Hint: Choose the z-axis along the momentum direction.
2. The hydrogen atom [8 marks] The time-independent Schrödinger equation for the hydrogen atom in...
2. The hydrogen atom [8 marks] The time-independent Schrödinger equation for the hydrogen atom in the spherical coordinate representation is where ao-top- 0.5298 10-10rn is the Bohr radius, and μ is the electon-proton reduced mass. Here, the square of the angular momentum operator L2 in the spherical coordinate representation is given by: 2 (2.2) sin θー sin θ 00 The form of the Schrödinger equation means that all energy eigenstates separate into radial and angular motion, and we can write...
The wave function for a hydrogen atom in the ground state is given by
( 25 marks) The wave function for a hydrogen atom in the ground state is given by \(\psi(r)=A e^{-r / a_{s}}\), where \(A\) is a constant and \(a_{B}\) is the Bohr radius. (a) Find the constant \(A\). (b) Determine the expectation value of the potential energy for the ground state of hydrogen.
(VI) Hydrogen atom A What is the probability that an electron in the ground state of...
(VI) Hydrogen atom A What is the probability that an electron in the ground state of hydrogen will be found inside the nucleus? Find the expression for the probability, in which Rc denotes the the radius of nucleus. Hints: Rc IT 127 i) Integration in spherical coordinate system (r, 0, 0)|r2 sin Ododedr Jo Jo Jo 2.c 20 e Jo a 2 B Construct the wavefunction for an electron in the state defined by the three quantum numbers: principal n...
The radial wave function for a hydrogen atom in the 3d state is given by
(25 marks) The radial wave function for a hydrogen atom in the \(3 d\) state is given by \(R(r)=A r^{2} e^{-\alpha r}\), where \(A\) and \(\alpha\) are constants. (a) Determine the constant \(\alpha .[\) Hint \(:\) Consider the radial equation given in the lecture note Ch. 9 page 3\(]\) (b) Determine the largest and smallest possible values of the combination \(\sqrt{L_{x}^{2}+L_{y}^{2}}\) for the \(3 d\) state, where \(L_{x}\) and \(L_{y}\) are the \(x\) - and \(y\) -component of the orbital...
1. The wave-functions of the states [4) and (0) are given by y(x) and Q(x), respectively....
1. The wave-functions of the states [4) and (0) are given by y(x) and Q(x), respectively. Derive the expression for the inner product (14) in terms of the wave- functions Q(x) and (x). What is the physical meaning of y(x) and (x)/2? 2. Fig. 1 shows a sketch of y(x). Sketch y(x) such that the states (4) and (o) are orthogonal: (014) = 0. (x) M Figure 1 3. Assume a particle has a wave-function y(x) sketched in Fig. 2....
1. The wave-functions of the states [4) and (0) are given by y(x) and Q(x), respectively....
1. The wave-functions of the states [4) and (0) are given by y(x) and Q(x), respectively. Derive the expression for the inner product (14) in terms of the wave- functions Q(x) and (x). What is the physical meaning of y(x) and (x)/2? 2. Fig. 1 shows a sketch of y(x). Sketch y(x) such that the states (4) and (o) are orthogonal: (014) = 0. (x) M Figure 1 3. Assume a particle has a wave-function y(x) sketched in Fig. 2....
1. Problems on unitary operators. For a function f(r) that can be expanded in a Taylor...
1. Problems on unitary operators. For a function f(r) that can be expanded in a Taylor series, show that Here a is a constant, and pis the momentum operator. The exponential of an operator is defined as ea_ ??? i,O" Verify that the unitary operator elo/h can be constructed as follows (Hint: Notice that f(x +a) (al) and eohf())) e Prove that Here is the position operator. (Hint: You may work in the momentum space, in which p = p...
Question Completion Status: QUESTION 19 The momentum density of an electromagnetic wave is defined as pem=E(EXB)....
Question Completion Status: QUESTION 19 The momentum density of an electromagnetic wave is defined as pem=E(EXB). The direction of the momentum density denotes the direction of the propagation of an electromagnetic wave. At a particular instant, the electric field associated with an electromagnetic wave propagating in free space is directed along the positive x-axis and the magnetic field is along the positive z-axis, as shown in the figure. B. E What is the direction of propagation for this electromagnetic wave?...
The ground state wave function of the hydrogen atom is given by 1 (r) = 7/a. Vπα3 What is the ground state wave function of the hydrogen atom in momentum space? Hint: Choose the z-axis along the momentum direction.
2. The hydrogen atom [8 marks] The time-independent Schrödinger equation for the hydrogen atom in the spherical coordinate representation is where ao-top- 0.5298 10-10rn is the Bohr radius, and μ is the electon-proton reduced mass. Here, the square of the angular momentum operator L2 in the spherical coordinate representation is given by: 2 (2.2) sin θー sin θ 00 The form of the Schrödinger equation means that all energy eigenstates separate into radial and angular motion, and we can write...
(VI) Hydrogen atom A What is the probability that an electron in the ground state of hydrogen will be found inside the nucleus? Find the expression for the probability, in which Rc denotes the the radius of nucleus. Hints: Rc IT 127 i) Integration in spherical coordinate system (r, 0, 0)|r2 sin Ododedr Jo Jo Jo 2.c 20 e Jo a 2 B Construct the wavefunction for an electron in the state defined by the three quantum numbers: principal n...
1. The wave-functions of the states [4) and (0) are given by y(x) and Q(x), respectively. Derive the expression for the inner product (14) in terms of the wave- functions Q(x) and (x). What is the physical meaning of y(x) and (x)/2? 2. Fig. 1 shows a sketch of y(x). Sketch y(x) such that the states (4) and (o) are orthogonal: (014) = 0. (x) M Figure 1 3. Assume a particle has a wave-function y(x) sketched in Fig. 2....
1. The wave-functions of the states [4) and (0) are given by y(x) and Q(x), respectively. Derive the expression for the inner product (14) in terms of the wave- functions Q(x) and (x). What is the physical meaning of y(x) and (x)/2? 2. Fig. 1 shows a sketch of y(x). Sketch y(x) such that the states (4) and (o) are orthogonal: (014) = 0. (x) M Figure 1 3. Assume a particle has a wave-function y(x) sketched in Fig. 2....
1. Problems on unitary operators. For a function f(r) that can be expanded in a Taylor series, show that Here a is a constant, and pis the momentum operator. The exponential of an operator is defined as ea_ ??? i,O" Verify that the unitary operator elo/h can be constructed as follows (Hint: Notice that f(x +a) (al) and eohf())) e Prove that Here is the position operator. (Hint: You may work in the momentum space, in which p = p...
Question Completion Status: QUESTION 19 The momentum density of an electromagnetic wave is defined as pem=E(EXB). The direction of the momentum density denotes the direction of the propagation of an electromagnetic wave. At a particular instant, the electric field associated with an electromagnetic wave propagating in free space is directed along the positive x-axis and the magnetic field is along the positive z-axis, as shown in the figure. B. E What is the direction of propagation for this electromagnetic wave?...
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