Homework Answers
No this is not possible physically.
It is because if first measurement of 
operator gives 
/2 then system will collapse in eigenstate of
corresponding to eigenvalue
/2. Thus it won't evolve further as it in eigen state. Therefore
further measurement of
will also give
/2 not 
/2.
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(4) (15 pts) The following is a list that gives the results of a set of...
qm 2019.3 3. The Hamiltonian corresponding to the magnetic interaction of a spin 1/2 particle with...
qm 2019.3
3. The Hamiltonian corresponding to the magnetic interaction of a spin 1/2 particle with charge e and mass m in a magnetic field B is À eB B. Ŝ, m where Ŝ are the spin angular momentum operators. You should make use of expres- sions for the spin operators that are given at the end of the question. (i) Write down the energy eigenvalue equation for this particle in a field directed along the y axis, i.e. B...
2. Cirele the designator in front of the most correct answer from the list following each question or statement. (a) Classically, a particle of mass 1 u that has a kinetic energy of 0.5 MeV has what...
2. Cirele the designator in front of the most correct answer from the list following each question or statement. (a) Classically, a particle of mass 1 u that has a kinetic energy of 0.5 MeV has what momen- tum? [10 points i. 1.631 x 10-20 kg m-1 ii. 1.631 x10-10 kg m s-1 ii. 3.262 x 10-20 kg m -1 iv. 3.262 × 10-10 kg m s-1 . 1.00 kg m s-1 (b) What is the mean free path length...
[ 2 + 3 + 3 + 5 = 13 marks ] Question 4 (a) For the case of two qubits, briefly explain the main difference between pro...
[ 2 + 3 + 3 + 5 = 13 marks ] Question 4 (a) For the case of two qubits, briefly explain the main difference between product states and entangled states. Provide one example of each. (b) Show that the identity between spin angular momentum operators S+S- = S2- S2 ± hS, holds. Data: S S tiSy, [Se, Sy] = ihS2, [Sy, S2] = ihS, [S2, S = ihSy. (c) An s = 1/2 particle at t =0 is...
16 What is the structure of the compound that gives the following infrared spectrum? 1UU T80...
16 What is the structure of the compound that gives the following infrared spectrum? 1UU T80 4000 3500 3000 2500 2000 1500 1000 500 Wavenumbers CH 17. Identify the molecule that gives 3 sets of protons in NMR spectrum. ii) CF13-CO-O-CH2-CHs ?) CH iv) p-chlorotoluene 112-CHa iii) C113-@c1 13 IV i and iBi and iv C. only D, i only A. i and iii B/ii and iv E. iv only 18. Identify the possible region for -OH absorption A. ~1500...
3. (a) A particle orbits a fixed point in space. Given that L-=-ih- , find the...
3. (a) A particle orbits a fixed point in space. Given that L-=-ih- , find the eigenvalues аф and normalised eigenfunctions of the z-component of the particle's angular momentum. (5 marks) Explain clearly your reasoning at each important step An electron is in the spin state x)-A G) Normalise x) and hence determine the constant A (ii) If you measured the z-component of the electron's spin, s, . what values could (b) in the usual s basis you get and...
15. Soru 4 Pu Which of the following gives the complete list of the convergent series...
15. Soru 4 Pu Which of the following gives the complete list of the convergent series among I, II, and III? I. II. III. 8W 1 1 1 n=1 n n=1 nn ns1 n3 All and 111 O B) III only C) I and II D) Il only E) I and III
Question 5 [12 10 22 marks] (a) In a given inertial reference frame, S', consider a...
Question 5 [12 10 22 marks] (a) In a given inertial reference frame, S', consider a region of space where there is a uniform and constant electric field, E', and zero magnetic field, i.e. B' = 0. The frame S' moves with respect to an observer, in another frame S, with velocity v. Write an expression for the electric field, E, observed in S? Clearly explain any notation (i) and new quantities introduced Write an expression for the magnetic field,...
It's not 4 m/s 0/1 pts Question 3 The equation that gives the particle displacement of...
It's not 4 m/s
0/1 pts Question 3 The equation that gives the particle displacement of a medium in which there is a simple harmonic progressive wave is y(x, t) sin T (x - 4t), where the units are Sl. At t 2 s, the velocity of a particle at x = 10 m is 4/p m/s. 8 m/s. 4 m/s O. 2 m/s.
Question 1 2 pts Which of the following reactions is likely to have a positive AS?...
Question 1 2 pts Which of the following reactions is likely to have a positive AS? 1. Nai) --> Na(s) II. 2 C4H10(g) + 13 O2(g) --> 8 CO2(g) + 10 H2O(g) III. CaCO3(s) + 2 HCl(aq) --> CaCl2(aq) + H200) + CO2(9) IV. 6 CO2(g) + 6 H20g) --> C6H12O6(s) +6 O2(g) I and IV II and III O II, III, and IV O I, II, III, and IV
please answer as much as you can, i will rate. 2. Circle the designator in front of the correct answer() from the list following each question or statenent. (o) A radioactive sample with Ti 10 hou...
please answer as much as you can, i will rate.
2. Circle the designator in front of the correct answer() from the list following each question or statenent. (o) A radioactive sample with Ti 10 hours earlier? (10 pointa 2h has an activity of I mCl sow. What wns ite activity i. 32.0 mCi ii. 10.0 mCI ii. 6.0 mCi iv. 2.0 mC v. 0.2 mC (b) The water in the primary loop of a typical PWR is used as...
qm 2019.3
3. The Hamiltonian corresponding to the magnetic interaction of a spin 1/2 particle with charge e and mass m in a magnetic field B is À eB B. Ŝ, m where Ŝ are the spin angular momentum operators. You should make use of expres- sions for the spin operators that are given at the end of the question. (i) Write down the energy eigenvalue equation for this particle in a field directed along the y axis, i.e. B...
2. Cirele the designator in front of the most correct answer from the list following each question or statement. (a) Classically, a particle of mass 1 u that has a kinetic energy of 0.5 MeV has what momen- tum? [10 points i. 1.631 x 10-20 kg m-1 ii. 1.631 x10-10 kg m s-1 ii. 3.262 x 10-20 kg m -1 iv. 3.262 × 10-10 kg m s-1 . 1.00 kg m s-1 (b) What is the mean free path length...
[ 2 + 3 + 3 + 5 = 13 marks ] Question 4 (a) For the case of two qubits, briefly explain the main difference between product states and entangled states. Provide one example of each. (b) Show that the identity between spin angular momentum operators S+S- = S2- S2 ± hS, holds. Data: S S tiSy, [Se, Sy] = ihS2, [Sy, S2] = ihS, [S2, S = ihSy. (c) An s = 1/2 particle at t =0 is...
16 What is the structure of the compound that gives the following infrared spectrum? 1UU T80 4000 3500 3000 2500 2000 1500 1000 500 Wavenumbers CH 17. Identify the molecule that gives 3 sets of protons in NMR spectrum. ii) CF13-CO-O-CH2-CHs ?) CH iv) p-chlorotoluene 112-CHa iii) C113-@c1 13 IV i and iBi and iv C. only D, i only A. i and iii B/ii and iv E. iv only 18. Identify the possible region for -OH absorption A. ~1500...
3. (a) A particle orbits a fixed point in space. Given that L-=-ih- , find the eigenvalues аф and normalised eigenfunctions of the z-component of the particle's angular momentum. (5 marks) Explain clearly your reasoning at each important step An electron is in the spin state x)-A G) Normalise x) and hence determine the constant A (ii) If you measured the z-component of the electron's spin, s, . what values could (b) in the usual s basis you get and...
15. Soru 4 Pu Which of the following gives the complete list of the convergent series among I, II, and III? I. II. III. 8W 1 1 1 n=1 n n=1 nn ns1 n3 All and 111 O B) III only C) I and II D) Il only E) I and III
Question 5 [12 10 22 marks] (a) In a given inertial reference frame, S', consider a region of space where there is a uniform and constant electric field, E', and zero magnetic field, i.e. B' = 0. The frame S' moves with respect to an observer, in another frame S, with velocity v. Write an expression for the electric field, E, observed in S? Clearly explain any notation (i) and new quantities introduced Write an expression for the magnetic field,...
It's not 4 m/s
0/1 pts Question 3 The equation that gives the particle displacement of a medium in which there is a simple harmonic progressive wave is y(x, t) sin T (x - 4t), where the units are Sl. At t 2 s, the velocity of a particle at x = 10 m is 4/p m/s. 8 m/s. 4 m/s O. 2 m/s.
Question 1 2 pts Which of the following reactions is likely to have a positive AS? 1. Nai) --> Na(s) II. 2 C4H10(g) + 13 O2(g) --> 8 CO2(g) + 10 H2O(g) III. CaCO3(s) + 2 HCl(aq) --> CaCl2(aq) + H200) + CO2(9) IV. 6 CO2(g) + 6 H20g) --> C6H12O6(s) +6 O2(g) I and IV II and III O II, III, and IV O I, II, III, and IV
please answer as much as you can, i will rate.
2. Circle the designator in front of the correct answer() from the list following each question or statenent. (o) A radioactive sample with Ti 10 hours earlier? (10 pointa 2h has an activity of I mCl sow. What wns ite activity i. 32.0 mCi ii. 10.0 mCI ii. 6.0 mCi iv. 2.0 mC v. 0.2 mC (b) The water in the primary loop of a typical PWR is used as...
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