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

MCQOPTIONS

1.	Which of the following is true about resolution in two frequency laser interferometer?
A.	Straightness resolution ‚Äö√Ñ√∂‚àö√ë‚àö¬® 90 nm
B.	Angular resolution ‚Äö√Ñ√∂‚àö√ë‚àö¬® 3 arc seconds
C.	Flatness resolution ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2 nm
D.	Linear resolution ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1 nm
Answer» E.

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