Which of the following statement is true for optical flats?Statement – McqOptions

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1.	Which of the following statement is true for optical flats?Statement 1: Type-A optical flats are tested for parallelism of working surfaces.Statement 2: Flatness of working surface is tested by comparing with a master flat.
A.	T, F
B.	F, F
C.	T, T
D.	F, T
Answer» E.

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