Wavelength associated with the body - What does it mean?

In summary, De Broglie Theory states that all moving bodies have a De Broglie wavelength associated with them. This is different from their actual speed, as the De Broglie wavelength is determined by the equation Vw=λf, while the body's speed is not. This leads to the question of which wave is being referred to, and it is not the electromagnetic wave emitted by the body according to Maxwell theory. The De Broglie wavelength is instead related to the momentum of the particle, and it has been observed that the Bohr orbits of electrons are related to their De Broglie wavelengths. This suggests that particles can have wave-like properties, and this has been confirmed through experiments with electron diffraction and the use
  • #1
jaumzaum
434
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I was studying De Broglie Theory in which all bodies in movement have a de broglie wavelength associated with it. But what it means?
The body's speed (Vb) is different from the wave-associated speed (Vw)
Vw=λ f and Vb ≠λ f

Which wave is that? Is it the wave emitted by the body as it is in movement (by Maxwell theory if a body is moving it emits eletromagnetic waves), and in this case, is Vw = c?

[]s
John
 
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  • #3
After discovering that light have properties of particles, and the light particles, photons, have energy E=hf and momentum p=h/λ, the question arose if particles can have wave property with wavelength associated to their momentum p=mv: λ=h/p=h/(mv).
It is suggestive that the length of the Bohr orbits are integer multiples of the de Broglie wavelenghts.
If electron is a wave, it has to be diffracted by slits or gratings; and it does diffract on crystal lattices like X rays.
If it is a wave why not construct microscopes working with electron beams? And such microscopes are widely spread and used now.

Read http://hyperphysics.phy-astr.gsu.edu/hbase/debrog.html

ehild
 
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Related to Wavelength associated with the body - What does it mean?

1. What is the wavelength associated with the body?

The wavelength associated with the body is a term used in physics and biology to describe the specific wavelengths of electromagnetic radiation that interact with and affect the human body. These wavelengths range from infrared to visible light to ultraviolet and beyond.

2. How does the wavelength associated with the body affect us?

The wavelength associated with the body can affect us in a variety of ways. For example, certain wavelengths of light can be absorbed by our skin and converted into heat energy, while others can be absorbed by our eyes and allow us to see. Additionally, some wavelengths can cause damage to our cells, while others can be beneficial for our health.

3. Can the wavelength associated with the body be harmful?

Yes, certain wavelengths of electromagnetic radiation can be harmful to the body. For example, UV radiation from the sun can cause sunburn and increase the risk of skin cancer. Additionally, prolonged exposure to certain wavelengths can damage our eyes and lead to vision problems.

4. How is the wavelength associated with the body measured?

The wavelength associated with the body is measured in nanometers (nm) for visible light and micrometers (μm) for infrared and ultraviolet light. These measurements refer to the length of one complete cycle of the electromagnetic wave.

5. Can we control the wavelength associated with the body?

While we cannot control the naturally occurring wavelengths of electromagnetic radiation, we can manipulate and control the wavelengths produced by artificial sources such as light bulbs and lasers. This allows us to use specific wavelengths for various purposes, such as medical treatments, communication, and entertainment.

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