Using a Michelson Interferometer and a Light Source of 400

question 61

Multiple Choice

Using a Michelson interferometer and a light source of 400 nm, a change from bright to dark indicates a change in the difference of arm lengths of

• A) 2.0 × 10^-4 mm.
• B) 4.0 × 10^-4 mm.
• C) 3.0 × 10^-4 mm.
• D) 1.0 × 10^-4 mm.

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