Question

the diagram shows a spectrometer being used to analyze a sample of a solution. which letter represents the diffraction grating? o w o x o y o z

Explanation:

In a spectrometer, the diffraction grating is the component that splits the light into its component wavelengths (produces the spectrum). In the given diagram, the component labeled X is the one that causes the light to spread out into a rainbow - like spectrum, which is the function of a diffraction grating.

Answer:

X