In a spectrophotometer, a prism or diffraction grating separates light into its constituent wavelengths.
To find the answer, we need to know more about the spectrometer.
What is spectrometer?
- A spectrometer measures the light refracted by the optical component into its various colors (wavelengths).
- prism is a dispersive component
- The dispersion happens because the angle of refraction is influenced by the material's refractive index, which is marginally influenced by the wavelength of light passing through the prism.
- An optical component called a diffraction grating splits (disperses) polychromatic light into its individual wavelengths (colors).
- Each wavelength of the polychromatic light that strikes the grating is scattered, reflecting from it at a slightly different angle.
Thus, we can conclude that, In a spectrophotometer, a prism or diffraction grating separates light into its constituent wavelengths.
Learn more about the optical components here:
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