What is the path difference between interference fringes, when krypton – McqOptions

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1.	What is the path difference between interference fringes, when krypton 86 is used?
A.	500 mm
B.	800 mm
C.	1000 mm
D.	1200 mm
Answer» C. 1000 mm

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What is the path difference between interference fringes, when krypton 86 is used?
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