What is the origin of light produced in vacuum?

Manoj Kumar Singh @Manoj_Singh86

02 February 2016 1 3K Report

Electrodynamics.

Vikash Pandey

Pair: Electron–positron annihilation.

Badges
Science topic

More Manoj Kumar Singh's questions See All

What is the origin of charge of electron?

Fundamental Physicists.

01 February 2016 7,040 40 View

Why we don't need to do work, for pushing an excited system to its stable ground state (It comes by own)?

Physicists can answer this question.

01 February 2016 3,118 6 View

How does electric and magnetic fields combined together to form light?

Electrodynamics.

01 February 2016 3,839 4 View

Controlling for pupil light reflex when analyzing pupil size time course?

I used eye tracking to examine how participants from two different populations (A and B) react to an image. Participants in population A exhibit larger pupil sizes over time, but they also have...

10 August 2024 3,229 0 View

Z-average size from Dynamic Light scattering can it be lower than the original probe size?

Hi everyone, Recently I have been conducting Dynamic Light scattering experiments in a micellar solution at 5 and gel at 37 degrees of Celsius with latex particles of diameter 190-500 nm. While...

01 August 2024 1,168 4 View

While doing Chronoamperometry, when the light is turned off, why the current is not decreasing sharply?

Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.

29 July 2024 4,538 3 View

Aqua regia not heating up?

I used Aqua regia to clean Au nanoparticles in the used glassware. But for some reasons, it is not heating up upon mixing. The color did change from no color to light orange. The Au NPs on the...

25 July 2024 4,390 0 View

I found the zeta potential of exosomes in DLS and it was -8mv. So is it correct or not ?

What should be the zeta potential of bovine milk exosomes

25 July 2024 7,376 5 View

Comparing Liposome Size: DLS Measurement vs. SEM Observation with Air Drying ?

I have an issue with SEM imaging of liposomes. When measured by DLS, they appear to be around 120 nm, but when using SEM with simple air drying, they appear much larger, around one micrometer.

25 July 2024 3,395 3 View

Can anyone kindly suggest research topics in the area of thermodynamics, heat transfer, fluid mechanics or renewable energy?

I am an undergraduate mechanical engineering student seeking suggestions on topics related to either thermodynamics, fluid mechanics, heat transfer or renewable energy for my final year project....

24 July 2024 4,058 5 View

Can we isolate microplastic from sludge sample without using vacuum filter..?

isolation of microplastic from sludge sample using centrifugation ..

23 July 2024 6,418 0 View

What is the physical meaning of the magnetic scalar potential?

In cases where the rotational of the magnetic field H is zero, we can define this field as the gradient of a scalar function defined as the magnetic scalar potential (similar to the electric...

21 July 2024 9,633 4 View

Did Einstein misunderstand the photo-electric effect?

Photo-electric effect A light particle moving towards a surface cannot (by collision) force an electron particle to move away from that surface. A light wave can instead make interference with a...

19 July 2024 8,389 9 View