Spectrum of Light from Hydrogen

In summary, the spectrum of light from hydrogen refers to the specific wavelengths of light emitted or absorbed by hydrogen atoms when they transition between different energy levels. It is important because it provides evidence for the quantization of energy and allows for the study of hydrogen atom properties. The spectrum is produced when hydrogen atoms are excited and the different colors represent the unique energy level transitions. Additionally, the spectrum can be used to identify other elements by comparing their spectral lines to those of hydrogen.
  • #1
Philosophaie
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The visible spectrum of light from hydrogen displays four wavelengths, 410 nm, 434 nm, 486 nm, and 656 nm normally.

Which changes when a telescope is pointed at a Galaxy that is moving away?
 
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  • #2
They all change; the same goes for the wavelengths which are not visible.

The process is detailed here: http://www.astro.ucla.edu/~wright/doppler.htm

Note that the ratio of observed over emitted wavelength is the same for all wavelengths; this is how we determine the red shift.
 

1. What is the spectrum of light from hydrogen?

The spectrum of light from hydrogen refers to the specific wavelengths of light emitted or absorbed by hydrogen atoms when they transition between different energy levels. This results in a series of distinct spectral lines that are characteristic of hydrogen.

2. Why is the spectrum of light from hydrogen important?

The spectrum of light from hydrogen is important because it provides evidence for the quantization of energy, which is a fundamental concept in quantum mechanics. It also allows scientists to study the energy levels and properties of hydrogen atoms, which is crucial for understanding the behavior of matter on a microscopic level.

3. How is the spectrum of light from hydrogen produced?

The spectrum of light from hydrogen is produced when hydrogen atoms are excited by energy, such as heat or electricity. This causes the electrons in the atoms to jump to higher energy levels, and as they return to their original energy level, they emit light at specific wavelengths that correspond to the energy difference between the levels.

4. What is the significance of the different colors in the spectrum of light from hydrogen?

The different colors in the spectrum of light from hydrogen represent the different wavelengths of light emitted by the hydrogen atoms. Each color corresponds to a specific energy level transition, and the combination of these colors creates the unique spectral lines that make up the hydrogen spectrum.

5. Can the spectrum of light from hydrogen be used to identify other elements?

Yes, the spectrum of light from hydrogen can be used to identify other elements. This is because each element has a unique spectral fingerprint, and by comparing the spectral lines of an unknown element to the hydrogen spectrum, scientists can determine the composition of the element's atoms and its energy levels.

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