Quantum Properties of Light
Planck Relation
Short Description of Topic
The Planck Relation helps us to be able to figure out the energy of a photon based on its frequency of radiation.
The Main Idea
State, in your own words, the main idea for this topic The energy of a photon is related to the frequency of its radiation by Planck's constant, h. This has a value of 6.626*10^-34 Joules*seconds. Planck's relation allows us to find the energy of a photon, or its frequency (the inverse of wavelength) of its radiation.
A Mathematical Model
What are the mathematical equations that allow us to model this topic. For example [math]\displaystyle{ {\frac{d\vec{p}}{dt}}_{system} = \vec{F}_{net} }[/math] where p is the momentum of the system and F is the net force from the surroundings.
A Computational Model
Hyper physics has a program that allows users to input wavelength, frequency, or energy and find out the other two values. http://hyperphysics.phy-astr.gsu.edu/hbase/mod2.html#c3
Examples
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Connectedness
- How is this topic connected to something that you are interested in?
This relation allows us to understand the photoelectric effect and Planck's Law of Black Body Radiation.
- How is it connected to your major/industry?
Every day in the biomedical device industry, new forms of treatment for cancer are being used. Proton emission therapy is a current method. If photons were ever used to combat disease, Planck's Relation could help engineers to calculate their energy or radiation frequency and wavelength in order to adjust these values to get the ones desired.
History
Max Planck, a German Scientist discovered Planck's Relation in 1900. He was doing research and realized that matter could only emit or absorb radiation at certain discrete energy levels. He found a constant that described the distance between the energy levels.
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See also
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Further reading
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References
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