How much angle accuracy is possible with a goniometer fitted with two – McqOptions

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1.	How much angle accuracy is possible with a goniometer fitted with two 32400 lines radial grating?
A.	0.1 second of arc
B.	1 second of arc
C.	2 second of arc
D.	0.5 second of arc
Answer» B. 1 second of arc

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