Which of the following is the correct expression for the ratio of the – McqOptions

MCQOPTIONS

1.	Which of the following is the correct expression for the ratio of the intensity of principal maxima to the intensity of secondary maxima?
A.	1 + (N2-1) sin2β
B.	1/1 + (N2-1) sin2β
C.	(N2-1) sin2β
D.	1/(N2-1) sin2β
Answer» B. 1/1 + (N2-1) sin2β

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