A Glass with a Refractive Index of 1

question 40

Multiple Choice

A glass with a refractive index of 1.5 is inserted into one arm of a Michelson interferometer that uses a 600-nm light source.This causes the fringe pattern to shift by 1000 fringes.How thick is the glass?

• A)1.5 mm
• B)0.2 mm
• C)0.6 mm
• D)0.9 mm
• E)1.2 mm

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