What particle emits the most radio waves?

In summary, the conversation discusses the emission of radio waves by charged particles and the factors that determine the frequency spectrum of the waves. It is mentioned that all accelerated charges emit electromagnetic waves and the frequency spectrum depends on the details of the process. The question of which particle, element, or molecule emits the most/greatest radio waves is then discussed, with the conclusion that electrons are the best radiators due to their low mass and ease of acceleration. The conversation also touches on the characteristics of radio waves such as frequency, amplitude, energy, momentum, and polarization. It is noted that it is difficult to measure the "greatness" of a radio wave in terms of its emitter spectrum.
  • #1
S3nkaku
1
0
I'm operating with the understanding that everything emits radio waves (electromagnetic/light waves). Is this correct? Whatever the answer is, what particle or element or molecule emits the most/greatest radio waves?
 
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  • #2
All accelerated charges emit electromagnetic waves. The frequency spectrum of those depends on details of the process.
S3nkaku said:
what particle or element or molecule emits the most/greatest radio waves?
That depends on how you accelerate the particles / the charges in the object. There is no intrinsic particle property "emits more/less electromagnetic waves" apart from the charge of the particle.
 
  • #3
Objects in the universe emit very little radio waves compared with the rest of the spectrum. The reason for this is that the energy per photon of a radio wave is very, very low. Most EM generating processes take place well above this energy range. For example, even the thermal radiation of an object at 4 kelvin peaks far above the frequency of radio waves. (It peaks at 414 GHz actually)
 
  • #4
Drakkith said:
Objects in the universe emit very little radio waves compared with the rest of the spectrum. The reason for this is that the energy per photon of a radio wave is very, very low.
By energy per photon, do you mean the one corresponding to ## \hbar \omega ##? If yes what does it have to do with the weak magnitude of the spectrum in microwave region?
 
  • #5
blue_leaf77 said:
By energy per photon, do you mean the one corresponding to ## \hbar \omega ##? If yes what does it have to do with the weak magnitude of the spectrum in microwave region?

Perhaps I shouldn't say that the reason is that the energy per photon increases. I thought it made sense when I wrote it, but now I don't know.
 
  • #6
S3nkaku said:
I'm operating with the understanding that everything emits radio waves (electromagnetic/light waves). Is this correct? Whatever the answer is, what particle or element or molecule emits the most/greatest radio waves?
Radio waves and EM waves generally are emitted when a charged particle is accelerated. So electrons are the best radiators because they have least mass and are most easily accelerated.
 
  • #7
S3nkaku said:
most/greatest radio waves?

A radio wave has a frequency, an amplitude, energy, and momentum. We could also describe whether it is plane, cylidrical or spherical (or else), and find out about polarisation, coherence, and uncertainty.

I'm unsure however as how we would count them or measure their "greatness".
 
  • #8
Naturally that would mean the strongest power in its emitter spectrum.
 

1. What is the particle that emits the most radio waves?

The particle that emits the most radio waves is the electron. This is due to its small size and high energy levels, which allow it to easily emit and absorb electromagnetic radiation.

2. How does the electron emit radio waves?

The electron emits radio waves through a process called synchrotron radiation. This occurs when the electron is accelerated or decelerated, causing it to emit electromagnetic radiation in the form of radio waves.

3. Can other particles emit radio waves?

Yes, other particles such as protons and positrons can also emit radio waves. However, they do not emit as much as electrons due to their larger size and lower energy levels.

4. How do scientists measure the amount of radio waves emitted by particles?

Scientists use a device called a radio telescope to measure the amount of radio waves emitted by particles. This instrument collects and amplifies radio waves from space, allowing scientists to study their properties.

5. Are there different types of radio waves emitted by particles?

Yes, there are different types of radio waves emitted by particles, including synchrotron radiation, bremsstrahlung radiation, and cyclotron radiation. These types of radiation occur in different scenarios and have different properties.

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