User Charles Tucker 3

5 votes

3 answers

290 views

Why is photon energy no function of transition time?

asked May 15, 2021 at 20:13

4 votes

1 answer

190 views

Is a small fragment of a white dwarf stable? [duplicate]

asked May 11, 2021 at 22:14

4 votes

1 answer

345 views

How does epsilon get into the exponent for light?

asked Jul 11, 2021 at 13:57

3 votes

2 answers

120 views

Why does a thermal camera see contours?

asked May 18, 2021 at 21:28

3 votes

1 answer

88 views

Could I see the corner of the room?

asked May 19, 2021 at 18:49

3 votes

2 answers

327 views

Speed of photon

asked Jul 29, 2022 at 10:50

2 votes

0 answers

73 views

Why are circular polarized 3D glasses for cinemas so cheap and working for a range of wavelengths?

asked Jul 13, 2023 at 15:39

2 votes

1 answer

710 views

Does a retroreflector depolarize light or preserve polarisation?

asked May 12, 2021 at 23:09

2 votes

1 answer

286 views

Vacuum fluctuation and negative energy

asked May 16, 2021 at 10:16

2 votes

1 answer

240 views

Electronic quantum jump time = transition time = lifetime?

asked Aug 27, 2021 at 11:22

1 vote

2 answers

933 views

Imaginary part of refractive index = absorption or extinction?

asked Jun 30, 2022 at 22:55

1 vote

0 answers

104 views

Does a single photon propagate with phase velocity or front velocity through a dispersive material?

asked Jul 26, 2022 at 21:33

1 vote

2 answers

294 views

What exactly is the motion in Warp drive?

asked May 14, 2021 at 15:17

1 vote

1 answer

651 views

In which altitude does Rayleigh scattering produce the blue color of the sky and are density fluctuations required?

asked Jul 5, 2021 at 14:22

0 votes

1 answer

562 views

Qualitatively Brewster angle explanation with dipoles

asked Jun 2, 2021 at 16:21

0 votes

1 answer

270 views

Why is $\vec{D}$ called displacement field and not $\vec{E}$?

asked Jun 6, 2021 at 13:54

0 votes

2 answers

2k views

Calculate radiance of Lambertian emitters: Is the solid angle $\pi$ or $2 \pi$?

asked Jun 18, 2021 at 8:42

0 votes

3 answers

77 views

Momentum and energy conservation and preconditions

asked Jun 21, 2022 at 9:58

0 votes

1 answer

224 views

Does a thermal camera detect distant objects colder?

asked May 19, 2021 at 12:41

-1 votes

1 answer

116 views

Angular aperture of diverging beam after passing through a diverging lens

asked Aug 20, 2021 at 11:21

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20 Questions

Why is photon energy no function of transition time?

Is a small fragment of a white dwarf stable? [duplicate]

How does epsilon get into the exponent for light?

Why does a thermal camera see contours?

Could I see the corner of the room?

Speed of photon

Why are circular polarized 3D glasses for cinemas so cheap and working for a range of wavelengths?

Does a retroreflector depolarize light or preserve polarisation?

Vacuum fluctuation and negative energy

Electronic quantum jump time = transition time = lifetime?

Imaginary part of refractive index = absorption or extinction?

Does a single photon propagate with phase velocity or front velocity through a dispersive material?

What exactly is the motion in Warp drive?

In which altitude does Rayleigh scattering produce the blue color of the sky and are density fluctuations required?

Qualitatively Brewster angle explanation with dipoles

Why is $\vec{D}$ called displacement field and not $\vec{E}$?

Calculate radiance of Lambertian emitters: Is the solid angle $\pi$ or $2 \pi$?

Momentum and energy conservation and preconditions

Does a thermal camera detect distant objects colder?

Angular aperture of diverging beam after passing through a diverging lens