Component wavelengths are usually present in radio active decay in a form of light, but you could use an Electric Guitar, using the amp as a transformer of vibrations to electricity to vibration/ lights
This is called a Spectroscope, or Spectrometer.
Google a Spectrophotometer
Spectroscopy originated through the study of visible light dispersed by a prism according to its wavelength. An instrument called a spectrometer is used in spectroscopy for producing spectral lines and measuring their wavelengths and intensities.
When white light passes through a prism it separates into its component wavelengths that we observe as colours.
Violet light has longer wavelengths.
Google a Spectrophotometer
This is called a Spectroscope, or Spectrometer.
That could be a prism, or a lens with a serious chromatic aberration problem.
spectrometer
remote sensing
Landsat satellite
imaging radar
All light is electromagnetic. A spectrometer is the name of the tool that breaks down light into its individual wavelengths.
Spectroscopy originated through the study of visible light dispersed by a prism according to its wavelength. An instrument called a spectrometer is used in spectroscopy for producing spectral lines and measuring their wavelengths and intensities.
You can split white light into a spectrum of its component wavelengths by passing it through a prism, not a prison.
When white light passes through a prism it separates into its component wavelengths that we observe as colours.
it disperses