User Manas Dogra

23 votes

7 answers

6k views

'Why' is the Schrödinger equation non-relativistic?

asked Jun 21, 2020 at 16:25

8 votes

4 answers

700 views

Why are Maxwell's equations correct and not Newton's laws of motion?

newtonian-mechanics special-relativity maxwell-equations history galilean-relativity

asked Aug 12, 2020 at 11:50

5 votes

2 answers

326 views

How is the non-local nature of quantum entanglement explained?

quantum-mechanics wavefunction quantum-entanglement quantum-interpretations locality

asked Nov 5, 2020 at 8:34

4 votes

2 answers

770 views

Can momentum never be zero in quantum mechanics?

quantum-mechanics momentum wavefunction schroedinger-equation normalization

asked Mar 10, 2020 at 12:14

3 votes

1 answer

794 views

How to produce light of a certain wavelength?

optics electromagnetic-radiation experimental-physics spectroscopy experimental-technology

asked Mar 16, 2020 at 16:59

3 votes

2 answers

232 views

How to solve Schroedinger's equation with Kratzer potential?

quantum-mechanics homework-and-exercises wavefunction schroedinger-equation potential-energy

asked Apr 3, 2020 at 5:12

3 votes

1 answer

2k views

What is the correct expression for phase velocity of a relativistic free particle?

quantum-mechanics special-relativity waves semiclassical phase-velocity

asked Apr 25, 2020 at 2:05

2 votes

1 answer

103 views

How to prove the Jackson-Feenberg identity in quantum mechanics?

quantum-mechanics operators wavefunction schroedinger-equation calculus

asked Apr 5, 2020 at 18:28

2 votes

1 answer

331 views

What is the frequency distribution of the electromagnetic wave emitted by a charge accelerating along a given trajectory?

electromagnetism electromagnetic-radiation

asked Jun 17, 2019 at 6:18

2 votes

3 answers

1k views

What are some examples of transverse waves which are not electromagnetic in nature? [closed]

waves

asked Dec 13, 2019 at 18:00

2 votes

1 answer

58 views

What is actually meant when it is said Scalar is invariant?

classical-mechanics reference-frames inertial-frames galilean-relativity invariants

asked Jan 26, 2020 at 5:00

2 votes

1 answer

81 views

How to derive the hidden symmetry behind linearized gravitation equations?

general-relativity metric-tensor gauge-theory gauge-invariance linearized-theory

asked Jul 7, 2020 at 8:02

1 vote

2 answers

409 views

What does the Problem 14 from Goldstein's book on classical mechanics chapter-7 (special relativity) really mean?

homework-and-exercises special-relativity classical-mechanics reference-frames

asked Jun 3, 2020 at 15:21

1 vote

2 answers

582 views

Why are atomic mass and mass number approximately the same?

mass nuclear-physics physical-chemistry elements isotopes

asked Jul 22, 2020 at 16:03

1 vote

1 answer

251 views

How to write quark composition of $\rm SU(3)$ mesons?

particle-physics group-theory quarks mesons

asked Oct 3, 2020 at 7:37

1 vote

2 answers

253 views

What is the interpretation of zero probability in physics?

quantum-mechanics hilbert-space wavefunction probability quantum-interpretations

asked Mar 23, 2021 at 18:43

1 vote

0 answers

39 views

Why does S-V or T-A couplings in Fermi weak interaction model produce electron oscillations?

quantum-field-theory particle-physics lagrangian-formalism fermions weak-interaction

asked Sep 14, 2021 at 7:27

1 vote

1 answer

799 views

What is the equation describing the relationship beteen photocurrent and voltage in photoelectric effect?

quantum-mechanics photoelectric-effect

asked Feb 8, 2020 at 16:29

1 vote

1 answer

98 views

What is a good technical book to start learning Many worlds interpretation?

quantum-mechanics resource-recommendations quantum-interpretations

asked Mar 10, 2020 at 10:44

1 vote

2 answers

472 views

Does phase change occurs on refraction at a lens?

optics refraction lenses

asked Apr 13, 2019 at 10:42

1 vote

0 answers

71 views

Where can I learn about a history of holes?

resource-recommendations semiconductor-physics history quasiparticles charge-carrier

asked Jan 16, 2020 at 12:36

1 vote

0 answers

146 views

How to find the charge distribution of a conducting disc?

electromagnetism electrostatics electric-fields potential conductors

asked Jun 28, 2019 at 7:12

1 vote

0 answers

48 views

Why is it commonly said Angular momentum for ground state is zero (for system with rotation invariant potential)? [duplicate]

quantum-mechanics angular-momentum symmetry heisenberg-uncertainty-principle ground-state

asked Apr 6, 2020 at 8:30

1 vote

1 answer

177 views

Clarification of Ehrenfest theorem

quantum-mechanics newtonian-mechanics operators potential-energy differentiation

asked Apr 2, 2020 at 16:25

0 votes

2 answers

255 views

Why is integral of product of a test function and derivative of Dirac-delta function seems to diverge? [closed]

homework-and-exercises mathematical-physics integration dirac-delta-distributions

asked Apr 4, 2020 at 19:54

0 votes

1 answer

140 views

What is the probability that a free particle will have energies in the range $E_1$ to $E_2$?

quantum-mechanics energy wavefunction

asked Apr 12, 2020 at 16:10

0 votes

0 answers

67 views

How to choose boundary conditions for numerical solution of Schrodinger's equation whose solutions are expected to die out "at infinity"?

quantum-mechanics wavefunction schroedinger-equation computational-physics eigenvalue

asked May 6, 2020 at 5:48

0 votes

3 answers

230 views

What is a good book which contains all details of history of special relativity?

special-relativity resource-recommendations relativity history aether

asked Dec 13, 2019 at 16:51

0 votes

1 answer

111 views

What is the velocity on perimeter of a wheel when it is hit by hand tangentially to increase speed?

homework-and-exercises newtonian-mechanics classical-mechanics rotational-dynamics

asked Jan 6, 2020 at 21:09

0 votes

2 answers

277 views

What is the maximum height from which an object can be dropped without breaking it?

newtonian-mechanics everyday-life collision elasticity stress-strain

asked Nov 20, 2020 at 16:19

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38 Questions

'Why' is the Schrödinger equation non-relativistic?

Why are Maxwell's equations correct and not Newton's laws of motion?

How is the non-local nature of quantum entanglement explained?

Can momentum never be zero in quantum mechanics?

How to produce light of a certain wavelength?

How to solve Schroedinger's equation with Kratzer potential?

What is the correct expression for phase velocity of a relativistic free particle?

How to prove the Jackson-Feenberg identity in quantum mechanics?

What is the frequency distribution of the electromagnetic wave emitted by a charge accelerating along a given trajectory?

What are some examples of transverse waves which are not electromagnetic in nature? [closed]

What is actually meant when it is said Scalar is invariant?

How to derive the hidden symmetry behind linearized gravitation equations?

What does the Problem 14 from Goldstein's book on classical mechanics chapter-7 (special relativity) really mean?

Why are atomic mass and mass number approximately the same?

How to write quark composition of $\rm SU(3)$ mesons?

What is the interpretation of zero probability in physics?

Why does S-V or T-A couplings in Fermi weak interaction model produce electron oscillations?

What is the equation describing the relationship beteen photocurrent and voltage in photoelectric effect?

What is a good technical book to start learning Many worlds interpretation?

Does phase change occurs on refraction at a lens?

Where can I learn about a history of holes?

How to find the charge distribution of a conducting disc?

Why is it commonly said Angular momentum for ground state is zero (for system with rotation invariant potential)? [duplicate]

Clarification of Ehrenfest theorem

Why is integral of product of a test function and derivative of Dirac-delta function seems to diverge? [closed]

What is the probability that a free particle will have energies in the range $E_1$ to $E_2$?

How to choose boundary conditions for numerical solution of Schrodinger's equation whose solutions are expected to die out "at infinity"?

What is a good book which contains all details of history of special relativity?

What is the velocity on perimeter of a wheel when it is hit by hand tangentially to increase speed?

What is the maximum height from which an object can be dropped without breaking it?