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What does the Michelson interferometer do? | |
A. | Split a polychromatic beam of radiation into its component wavelengths [Wrong Answer] |
B. | Selectively filter certain wavelengths from a beam of I.R. radiation [Wrong Answer] |
C. | Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector [Correct Answer] |
D. | none of the above [Wrong Answer] |