In Michelson’s interferometer, the frequency of the detector output can be determined by translating the _________ of movable mirror and the ___________ of monochromatic radiation.(a) Velocity, wavelength(b) Thickness, intensity(c) Length, velocity(d) Angle, intensityThe question was asked in a national level competition.The query is from Fourier Transform Infra-red Spectrometers topic in chapter Colorimetry and Spectrometry of Analytical Instrumentation

In Michelson’s interferometer, the frequency of the detector output

1.	In Michelson’s interferometer, the frequency of the detector output can be determined by translating the _________ of movable mirror and the ___________ of monochromatic radiation.(a) Velocity, wavelength(b) Thickness, intensity(c) Length, velocity(d) Angle, intensityThe question was asked in a national level competition.The query is from Fourier Transform Infra-red Spectrometers topic in chapter Colorimetry and Spectrometry of Analytical Instrumentation
Answer» The CORRECT option is (a) VELOCITY, wavelength Explanation: The frequency can be determined by translating the velocity of the MOVABLE mirror and the wavelength of monochromatic RADIATION. The reflected BEAM passes towards the movable mirror.

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