Consider a single mode fiber having core refractive index n1= 1.5. The – McqOptions

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1.	Consider a single mode fiber having core refractive index n1= 1.5. The fiber length is 12m. Find the time taken by the axial ray to travel along the fiber.
A.	1.00 sec
B.	0.06 sec
C.	0.90 sec
D.	0.30 sec
Answer» C. 0.90 sec

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