A Michelson interferometer is set up to display constructive interference (a bright central spot in the fringe pattern of Figure 33 25) using light of wavelength Icirc raquo If the wavelength is changed to Icirc raquo 2, does the central spot remain bright, does the central spot become dark, or do the fringes disappear Explain Assume the fringes are viewed by a detector sensitive to both wavelengths Figure 33 25

Question: A Michelson interferometer is set up to display constructive interference (a bright central spot in the fringe pattern of Figure 33.25) using light of wavelength

A Michelson interferometer is set up to display constructive interference (a bright central spot in the fringe pattern of Figure 33.25) using light of wavelength Î». If the wavelength is changed to Î»/2, does the central spot remain bright, does the central spot become dark, or do the fringes disappear? Explain. Assume the fringes are viewed by a detector sensitive to both wavelengths.

Figure 33.25

A Michelson interferometer is set up to display constructive interference

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