What is the condition to obtain fringes of high intensity? – McqOptions

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1.	What is the condition to obtain fringes of high intensity?
A.	Distance between scale and index grating is as far as possible
B.	Distance between scale and index grating is minimum
C.	Scale and index grating should be overlapped
D.	Scale and index grating should be at the right angle
Answer» C. Scale and index grating should be overlapped

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