User Invenietis

9 votes

3 answers

633 views

When is it admissible to neglect the pressure term to use the Burgers' equation instead of the Navier-Stokes equation?

asked Jul 5, 2022 at 10:06

6 votes

3 answers

462 views

Physical meaning of the terms in Reynolds transport theorem

asked Dec 5, 2021 at 17:55

6 votes

3 answers

4k views

Common eigenfunctions of commuting operators: case of degeneracy

asked Aug 28, 2020 at 13:04

6 votes

2 answers

2k views

Using tensor products in the bra-ket notation

asked May 22, 2021 at 12:34

5 votes

1 answer

3k views

What are some examples of the projection operator being used in quantum mechanics?

asked May 5, 2021 at 9:00

5 votes

0 answers

76 views

Relation between the electric and magnetic fields for an arbitrary electromagnetic wave

asked Jun 9, 2021 at 19:27

5 votes

3 answers

2k views

Meaning of degeneracy in Quantum Mechanics

asked Aug 28, 2020 at 11:43

5 votes

1 answer

672 views

Probability density functions for the Bose-Einstein and Fermi-Dirac statistics

asked Jan 30, 2021 at 20:22

5 votes

2 answers

921 views

Bose-Einstein statistics: meaning of the chemical potential

asked Jan 30, 2021 at 21:11

5 votes

2 answers

202 views

Omitting the negative exponential in the plane-wave solution of the Schrodinger equation

asked Aug 10, 2022 at 18:54

4 votes

2 answers

565 views

Intuitive meaning of the permittivity and the permeability in Electromagnetism

asked Feb 2, 2021 at 10:31

4 votes

0 answers

183 views

Meaning of the concept of external parameters in Statistical Mechanics

asked Nov 26, 2020 at 19:24

4 votes

1 answer

1k views

Filling order in the Shell Model of the nucleus

asked Nov 21, 2020 at 19:55

3 votes

1 answer

749 views

Poisson bracket of the angular momentum and a scalar function

asked Jul 30, 2021 at 19:13

2 votes

1 answer

982 views

Physical meaning of the vector Laplace operator

asked Jun 18, 2021 at 16:08

2 votes

1 answer

549 views

Value of the total spin quantum number $s$ in a system of two spin-$1/2$ particles [duplicate]

asked May 13, 2021 at 20:09

2 votes

1 answer

204 views

Tensor product of wavefunctions

asked May 20, 2021 at 18:43

2 votes

1 answer

161 views

Pauli exclusion principle: why does it imply that $Z\approx N$ in stable nuclides with $A<40$?

asked Nov 15, 2020 at 21:09

2 votes

1 answer

351 views

Utility of Burger's equation in the study of shock waves

asked May 26, 2022 at 11:27

1 vote

1 answer

217 views

Centre of mass reference frame of a particle and a photon

asked Jan 17, 2022 at 10:41

1 vote

0 answers

91 views

Steady Couette flow where the moving wall suddenly stops

asked Jan 28, 2022 at 11:39

1 vote

1 answer

214 views

Radial component of velocity in a Rankine-vortex

asked Nov 26, 2021 at 20:20

1 vote

2 answers

80 views

Continuity equation for non-viscous fluids through a tube

asked Nov 30, 2021 at 10:33

1 vote

1 answer

278 views

Order of measurement of two observables

asked Aug 28, 2020 at 17:12

1 vote

1 answer

41 views

Notation for the position and momentum differentials in a system of $N$ particles and $d$ dimensions

asked Dec 2, 2020 at 13:27

1 vote

0 answers

144 views

Probability of a particle being at a given energy level in a discrete canonical set [closed]

asked Dec 21, 2020 at 11:23

1 vote

1 answer

130 views

Working of the raising and lowering indices operation

asked Jan 9, 2021 at 18:51

1 vote

1 answer

1k views

Average number of particles in a certain energy level in the Canonical Ensemble

asked Feb 4, 2021 at 21:05

1 vote

1 answer

182 views

Number of different possible values for the total angular momentum quantum number, $j$?

asked Apr 13, 2021 at 9:38

1 vote

0 answers

22 views

If two operators commute, then is it any basis of one of them also a basis of the other? [duplicate]

asked May 24, 2021 at 17:00

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46 Questions

When is it admissible to neglect the pressure term to use the Burgers' equation instead of the Navier-Stokes equation?

Physical meaning of the terms in Reynolds transport theorem

Common eigenfunctions of commuting operators: case of degeneracy

Using tensor products in the bra-ket notation

What are some examples of the projection operator being used in quantum mechanics?

Relation between the electric and magnetic fields for an arbitrary electromagnetic wave

Meaning of degeneracy in Quantum Mechanics

Probability density functions for the Bose-Einstein and Fermi-Dirac statistics

Bose-Einstein statistics: meaning of the chemical potential

Omitting the negative exponential in the plane-wave solution of the Schrodinger equation

Intuitive meaning of the permittivity and the permeability in Electromagnetism

Meaning of the concept of external parameters in Statistical Mechanics

Filling order in the Shell Model of the nucleus

Poisson bracket of the angular momentum and a scalar function

Physical meaning of the vector Laplace operator

Value of the total spin quantum number $s$ in a system of two spin-$1/2$ particles [duplicate]

Tensor product of wavefunctions

Pauli exclusion principle: why does it imply that $Z\approx N$ in stable nuclides with $A<40$?

Utility of Burger's equation in the study of shock waves

Centre of mass reference frame of a particle and a photon

Steady Couette flow where the moving wall suddenly stops

Radial component of velocity in a Rankine-vortex

Continuity equation for non-viscous fluids through a tube

Order of measurement of two observables

Notation for the position and momentum differentials in a system of $N$ particles and $d$ dimensions

Probability of a particle being at a given energy level in a discrete canonical set [closed]

Working of the raising and lowering indices operation

Average number of particles in a certain energy level in the Canonical Ensemble

Number of different possible values for the total angular momentum quantum number, $j$?

If two operators commute, then is it any basis of one of them also a basis of the other? [duplicate]