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Physics Medium
Question

When one mirror of a Michelson Interferometer is moved a distance of 0.5 mm we observe 2000 fringes. What will be wavelength of light used ?

A
5000 nm
B
5000A
✓ Official correct answer
C
500m
D
2000um

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A
5000 nm
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B
5000A
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C
500m
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D
2000um
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