Which of the following is true about resolution in two frequency lase – McqOptions

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1.	Which of the following is true about resolution in two frequency laser interferometer?
A.	straightness resolution â€“ 90 nm
B.	angular resolution â€“ 3 arc seconds
C.	flatness resolution â€“ 2 nm
D.	linear resolution â€“ 1 nm
Answer» E.

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