User jacob1729

22 votes

How do we know neutrons have no charge?

answered Sep 22, 2019 at 22:39

21 votes

Why does the optimal angle depend on velocity?

answered Oct 5, 2021 at 17:24

13 votes

Accepted

The Physical Meaning of Projectors in Quantum Mechanics

answered Nov 27, 2020 at 19:51

10 votes

Accepted

Why is imaginary time evolution non-unitary?

answered Sep 2, 2021 at 20:28

9 votes

Accepted

Why are probabilities for each micro-state equal within a micro-canonical-ensemble?

answered May 20, 2020 at 15:14

8 votes

Is $E=mc^2$ artificially defined?

answered Oct 27, 2019 at 23:01

8 votes

Why can't we define more Maxwell's relations?

answered Nov 2, 2019 at 11:56

8 votes

Accepted

Is being "stationary" also an example of a "periodic motion"?

answered May 16, 2021 at 15:39

7 votes

When the decay constant is not constant. Limit definition of the exponential of an integral?

answered Apr 5, 2021 at 12:07

7 votes

If the tensor product of $A$ and $B$ is Hermitian, are $A$ and $B$ Hermitian?

answered Oct 15, 2020 at 21:42

7 votes

Why does diamond's specific heat capacity deviate from the Dulong-Petit theory at room temperatures?

answered May 28, 2019 at 20:10

7 votes

Why doesn’t a normal window produce an apparent rainbow?

answered Jun 2, 2019 at 19:05

7 votes

Self-energy of a uniformly charged, non-conducting sphere, using energy density formula

answered Mar 24, 2020 at 16:16

7 votes

What is the second conserved Quantity of the Pendulum?

answered Jun 10, 2020 at 7:47

7 votes

Accepted

Entropy and heat capacity at constant volume

answered May 14, 2018 at 15:13

6 votes

Internal energy of an ideal gas independent of any thermodynamic variable at constant temperature

answered May 14, 2018 at 14:46

6 votes

Why are expectation values of an observable important in QM?

answered Nov 27 at 13:05

5 votes

Can Maxwell's Equations be expressed only in terms of an electric field and special relativity?

answered Oct 4 at 11:11

5 votes

Accepted

What is the Schrödinger equation used for exactly?

answered Sep 27, 2020 at 20:11

5 votes

Accepted

Conservation of mass in relativistic collisions?

answered Nov 13, 2018 at 20:51

5 votes

Interplanar distance in FCC and BCC

answered May 1, 2020 at 12:49

4 votes

Statistical mechanics definition of temperature as the average kinetic energy

answered Sep 2, 2020 at 12:29

4 votes

Why aren't maximums at 1 wavelength for single slit interference?

answered May 11, 2019 at 13:52

4 votes

In the proof of the parallel axis theorem, why is the averaged $x$-coordinate "zero by construction"?

answered Jun 11, 2018 at 8:09

4 votes

Accepted

Angular momentum, potential gravitational energy, rotation

answered Jun 18, 2018 at 16:21

4 votes

Are all discovered normal distribution in the physical world a result of central limit theorem?

answered Mar 31, 2019 at 16:55

4 votes

How to pick out eigenvectors after solving for eigenvalues?

answered Oct 7, 2020 at 14:33

4 votes

Accepted

Hilbert space of a spinless fermion?

answered Feb 17, 2021 at 15:53

4 votes

Why is the time average equal to the ensemble average?

answered Mar 22, 2021 at 19:23

4 votes

Accepted

Generators in group theory

answered Oct 25, 2020 at 22:27

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112 Answers

How do we know neutrons have no charge?

Why does the optimal angle depend on velocity?

The Physical Meaning of Projectors in Quantum Mechanics

Why is imaginary time evolution non-unitary?

Why are probabilities for each micro-state equal within a micro-canonical-ensemble?

Is $E=mc^2$ artificially defined?

Why can't we define more Maxwell's relations?

Is being "stationary" also an example of a "periodic motion"?

When the decay constant is not constant. Limit definition of the exponential of an integral?

If the tensor product of $A$ and $B$ is Hermitian, are $A$ and $B$ Hermitian?

Why does diamond's specific heat capacity deviate from the Dulong-Petit theory at room temperatures?

Why doesn’t a normal window produce an apparent rainbow?

Self-energy of a uniformly charged, non-conducting sphere, using energy density formula

What is the second conserved Quantity of the Pendulum?

Entropy and heat capacity at constant volume

Internal energy of an ideal gas independent of any thermodynamic variable at constant temperature

Why are expectation values of an observable important in QM?

Can Maxwell's Equations be expressed only in terms of an electric field and special relativity?

What is the Schrödinger equation used for exactly?

Conservation of mass in relativistic collisions?

Interplanar distance in FCC and BCC

Statistical mechanics definition of temperature as the average kinetic energy

Why aren't maximums at 1 wavelength for single slit interference?

In the proof of the parallel axis theorem, why is the averaged $x$-coordinate "zero by construction"?

Angular momentum, potential gravitational energy, rotation

Are all discovered normal distribution in the physical world a result of central limit theorem?

How to pick out eigenvectors after solving for eigenvalues?

Hilbert space of a spinless fermion?

Why is the time average equal to the ensemble average?

Generators in group theory