Why Is There an Upper Limit to Photon Energy in Hydrogen's Emission Spectrum?

In summary, the upper limit photon energy refers to the maximum amount of energy that a single photon can possess and is calculated using the formula E=hf. It plays a crucial role in understanding the behavior of light and is constant in nature. It also relates to the electromagnetic spectrum through the equation E=hf.
  • #1
acherentia
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why is there an upper limit to the photon energy that can be observed in the emission spectrum of the hydrogen atom?
 
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  • #2
Because it corresponds to the difference of energy of the most energetic bound state of H, which is 0, and the ground state energy, which is a certain negative amount that I don't remember, something like 10 eV.
 
  • #3
The ionization energy is 13.6 eV. Which corresponds to the light emitted by a H+ ion that absorbs an electron which drops immediately to ground state.
 

FAQ: Why Is There an Upper Limit to Photon Energy in Hydrogen's Emission Spectrum?

What is the definition of "Upper limit photon energy"?

The upper limit photon energy refers to the maximum amount of energy that a single photon can possess. This limit is determined by Planck's constant and the speed of light in a vacuum.

How is the upper limit photon energy calculated?

The upper limit photon energy can be calculated using the formula E=hf, where E is the energy, h is Planck's constant, and f is the frequency of the photon.

What is the significance of the upper limit photon energy in physics?

The upper limit photon energy plays a crucial role in understanding the behavior of light and its interactions with matter. It also helps in determining the energy levels of atoms and molecules.

Is the upper limit photon energy constant or can it vary?

The upper limit photon energy is constant and does not vary. It is a fundamental constant in physics and is the same for all particles of light, regardless of their source or energy source.

How does the upper limit photon energy relate to the electromagnetic spectrum?

The upper limit photon energy is directly related to the electromagnetic spectrum, as it determines the maximum frequency and energy of a photon that can exist within the spectrum. This relationship is described by the equation E=hf.

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