Planck's constant as a measure of significance

In summary, the basic concepts used in physics are derived from everyday human experience. This is not surprising, as physics describes our physical circumstances. For instance, dynamics uses common concepts such as mass, velocity, and acceleration. Time can also be linked to our everyday experience, as argued in a recent essay. The proposal is made to connect the concept of h, Planck's constant, to the significance of language. Although on a human scale h may not have a noticeable impact, it is used as a measure of action on small scales. However, on larger scales, the product of momentum and size remains significant, as seen with charging elephants and runaway locomotives.
  • #1
Paulibus
203
11
The basic concepts used in physics are mostly derived from everyday human experience.
Hardly surprising for a subject which usefully describes our contingent physical circumstances.

For example dynamics involves ordinary and familiar concepts like mass, and changing
distance is described as velocity and acceleration. Time itself may be derived from ordinary
experience, as argued vigorously in a very recent essay by arXiv:1208.2611 .

Here I propose in a lighthearted way that the physics concept of h,
Planck’s constant, be similarly linked to our ordinary usage of language. I suggest treating it
as a unit of significance. (See also Anthony Trollope’s 19th Century novel, Framley
Parsonage, where the significance of its heroine is a critical element of the story.)

On the scale of ordinary human affairs h is too small to influence our everyday behaviour, but
especially on small scales, it is used as a measure of action; a dynamic concept that is the
product of momentum and quantum wavelength. But on larger scales the product of
momentum and size is still significant — charging elephants and runaway locomotives tend to
draw one’s attention!
 
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Zz.
 

1. What is Planck's constant and why is it significant?

Planck's constant, denoted as h, is a fundamental constant in quantum mechanics that relates the energy of a photon to its frequency. It is significant because it allows us to understand and predict the behavior of particles at the atomic and subatomic level.

2. How was Planck's constant originally discovered?

Planck's constant was originally discovered by Max Planck in 1900 while studying the emission of light from hot objects. He found that the energy of the emitted light was quantized, meaning it could only take on certain discrete values, and that the amount of energy was directly proportional to the frequency of light.

3. What are the units of Planck's constant and what do they represent?

The units of Planck's constant are joule-seconds (J⋅s) in the SI system. This represents the amount of energy (in joules) carried by a photon with a frequency of 1 hertz (1 cycle per second).

4. How is Planck's constant used in modern technology?

Planck's constant is used in many areas of modern technology, including electronics, telecommunications, and medical imaging. It is essential for understanding the behavior of electrons in semiconductors, which are the basis of computer chips and other electronic devices.

5. Can Planck's constant change over time?

No, Planck's constant is a fundamental constant of nature and is considered to be a universal constant. It does not change over time or vary with different conditions. It is the same value for all observers in the universe.

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